Works by Delgado, Rafael

Results: 446

Apical stability of implants with progressive thread design in vitro, based on clinicians with different levels of experience.

Published in:

2019

By:

Romanos, Georgios E.;
Kuyunov, Osnat;
Sacks, Danielle;
Calvo‐Guirado, Jose Luis;
Delgado‐Ruiz, Rafael;
Calvo-Guirado, Jose Luis;
Delgado-Ruiz, Rafael

Publication type:

journal article

Potential role of Emergency Medical System call centres in epidemiological surveillance of seasonal influenza.

Published in:

2019

By:

González, Pedro Arcos;
García, Sergio Pérez;
Delgado, Rafael Castro;
Arcos González, Pedro;
Pérez García, Sergio;
Castro Delgado, Rafael

Publication type:

journal article

Effects of occlusal forces on the peri-implant-bone interface stability.

Published in:

2019

By:

Delgado‐Ruiz, Rafael Arcesio;
Calvo‐Guirado, Jose Luis;
Romanos, Georgios E.;
Delgado-Ruiz, Rafael Arcesio;
Calvo-Guirado, Jose Luis

Publication type:

journal article

Concepts for prevention of complications in implant therapy.

Published in:

2019

By:

Romanos, Georgios E.;
Delgado‐Ruiz, Rafael;
Sculean, Anton;
Delgado-Ruiz, Rafael

Publication type:

journal article

Reprogramming of GM-CSF-dependent alveolar macrophages through GSK3 activity modulation.

Published in:

eLife, 2025, p. 1, doi. 10.7554/eLife.102659

By:

Ríos, Israel;
Herrero, Cristina;
Torres-Torresano, Mónica;
López-Navarro, Baltasar;
Teresa Schiaffino, María;
Díaz Crespo, Francisco;
Nieto-Valle, Alicia;
Samaniego, Rafael;
Sierra-Palomares, Yolanda;
Oliver, Eduardo;
Revuelta-Salgado, Fernando;
García-Luján, Ricardo;
Sánchez-Mateos, Paloma;
Delgado, Rafael;
Puig-Kröger, Amaya;
Corbí, Angel L.

Publication type:

Article

Accuracy of torque controllers on healing abutments in implant dentistry—an in vitro study.

Published in:

Journal of Prosthodontics (John Wiley & Sons, Inc.), 2024, v. 33, n. 6, p. 606, doi. 10.1111/jopr.13745

By:

Goyal, Varun;
Delgado‐Ruiz, Rafael;
Kurtz, Kenneth S.;
Romanos, Georgios E.

Publication type:

Article

Digitally designed and manufactured sectional custom tray for a patient with microstomia: A case report.

Published in:

Journal of Prosthodontics (John Wiley & Sons, Inc.), 2024, v. 33, n. 4, p. 307, doi. 10.1111/jopr.13789

By:

Jagielska, Marika;
Somohano‐Marquez, Tanya;
Delgado‐Ruiz, Rafael

Publication type:

Article

Actitudes y conocimiento sobre la Intervención Asistida con Animales entre profesionales de la educación.

Published in:

Aula Abierta. Revista de Investigación, Formación e Innovación en Educación (RIFIE), 2023, v. 52, n. 2, p. 139, doi. 10.17811/rifie.52.2.2023.139-146

By:

Martos-Montes, Rafael;
Eugenia Díaz-Sánchez, María;
López-Cepero, Javier;
Francisco Delgado-Rodríguez, Rafael;
Ordóñez-Pérez, David

Publication type:

Article

In vitro biocontrol of Fusarium oxysporum with antagonistic microorganisms and In vivo effect on Solanum lycopersicum L.

Published in:

Journal of Environmental Science & Health. Part B. Pesticides, Food Contaminants & Agricultural Wastes, 2022, v. 57, n. 8, p. 625, doi. 10.1080/03601234.2022.2093590

By:

Rubio-Tinajero, Sarahi;
Osorio-Hernández, Eduardo;
Estrada-Drouaillet, Benigno;
Silva-Espinosa, José Hugo Tomás;
Delgado-Martínez, Rafael;
Espinoza-Ahumada, César Alejandro;
Ríos-Velasco, Claudio;
Torres-Castillo, Jorge Ariel

Publication type:

Article

Evaluation of Resistance of Eleven Maize Races (Zea mays L.) to the Red Spider Mite (Tetranychus merganser , Boudreaux).

Published in:

Plants (2223-7747), 2022, v. 11, n. 11, p. 1414, doi. 10.3390/plants11111414

By:

Rocandio-Rodríguez, Mario;
Torres-Castillo, Jorge Ariel;
Juárez-Aragón, María Cruz;
Chacón-Hernández, Julio Cesar;
Moreno-Ramírez, Yolanda del Rocio;
Mora-Ravelo, Sandra Grisell;
Delgado-Martínez, Rafael;
Hernández-Juárez, Agustín;
Heinz-Castro, Rapucel Tonantzin Quetzalli;
Reyes-Zepeda, Francisco

Publication type:

Article

A Dog Accompanying a Man Makes Social Threatening Contexts Less Aversive and Enhances Perceived Safety Regardless of Societal Safety Levels.

Published in:

Anthrozoös, 2024, v. 37, n. 1, p. 155, doi. 10.1080/08927936.2023.2280375

By:

Delgado-Rodríguez, Rafael;
Gantiva, Carlos;
Pérez, David Ordóñez;
Linares, Rocío

Publication type:

Article

Dogs Can Enhance Social Perceptions: The Influence of Dogs on Women's Perceptions of Safety in Emotional Contexts.

Published in:

Anthrozoös, 2023, v. 36, n. 3, p. 333, doi. 10.1080/08927936.2022.2141968

By:

Delgado-Rodríguez, Rafael;
Cabrera, Paula Mena;
Ordóñez-Pérez, David;
Martos-Montes, Rafael

Publication type:

Article

Rapid screening of SARS-CoV-2 variants, a key tool for pandemic surveillance.

Published in:

Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-37866-8

By:

Muñoz-Gallego, Irene;
Meléndez Carmona, María Ángeles;
Martín Higuera, Carmen;
Viedma, Esther;
Delgado, Rafael;
Folgueira, María Dolores

Publication type:

Article

Cell type dependent stability and virulence of a recombinant SARS-CoV-2, and engineering of a propagation deficient RNA replicon to analyze virus RNA synthesis.

Published in:

Frontiers in Cellular & Infection Microbiology, 2023, p. 1, doi. 10.3389/fcimb.2023.1268227

By:

Wang, Li;
Guzman, Marı´a;
Muñoz-Santos, Diego;
Honrubia, Jose Manuel;
Ripoll-Gomez, Jorge;
Delgado, Rafael;
Sola, Isabel;
Enjuanes, Luis;
Zuñiga, Sonia

Publication type:

Article

Cell type dependent stability and virulence of a recombinant SARS-CoV-2, and engineering of a propagation deficient RNA replicon to analyze virus RNA synthesis.

Published in:

Frontiers in Cellular & Infection Microbiology, 2023, p. 01, doi. 10.3389/fcimb.2023.1268227

By:

Li Wang;
Guzman, María;
Muñoz-Santos, Diego;
Honrubia, Jose Manuel;
Ripoll-Gomez, Jorge;
Delgado, Rafael;
Sola, Isabel;
Enjuanes, Luis;
Zuñiga, Sonia

Publication type:

Article

The role of DC-SIGN as a trans-receptor in infection by MERS-CoV.

Published in:

Frontiers in Cellular & Infection Microbiology, 2023, p. 01, doi. 10.3389/fcimb.2023.1177270

By:

Labiod, Nuria;
Luczkowiak, Joanna;
Tapia, María M.;
Lasala, F. átima;
Delgado, Rafael

Publication type:

Article

Clinical outcomes and antibody transfer in a cohort of infants with in utero or perinatal exposure to SARS-CoV-2 (Coronascope Study).

Published in:

European Journal of Pediatrics, 2023, v. 182, n. 10, p. 4647, doi. 10.1007/s00431-023-05147-1

By:

Carrasco Colom, Jaime;
Manzanares, Ángela;
Álvaro Gómez, Alicia;
Serrano Escribano, Isabel;
Esquivel, Estrella;
Pérez-Rivilla, Alfredo;
Moral-Pumarega, Maria Teresa;
Aguirre Pascual, Elisa;
De Vergas, Joaquín;
Reda del Barrio, Sara;
Moraleda, Cinta;
Epalza, Cristina;
Fernández-Cooke, Elisa;
Prieto, Luis;
Villaverde, Serena;
Zamora, Berta;
Herraiz, Ignacio;
Galindo, Alberto;
Folgueira, María Dolores;
Delgado, Rafael

Publication type:

Article

Fever without source as the first manifestation of SARS-CoV-2 infection in infants less than 90 days old.

Published in:

European Journal of Pediatrics, 2021, v. 180, n. 7, p. 2099, doi. 10.1007/s00431-021-03973-9

By:

Blázquez-Gamero, Daniel;
Epalza, Cristina;
Cadenas, José Antonio Alonso;
Gero, Lourdes Calleja;
Calvo, Cristina;
Rodríguez-Molino, Paula;
Méndez, María;
Santos, Maria del Mar;
Fumadó, Victoria;
Guzmán, María Fernanda;
Soriano-Arandes, Antoni;
Jiménez, Ana B.;
Penin, Maria;
Cobo-Vazquez, Elvira;
Pareja, Marta;
Lobato, Zulema;
Serna, Miquel;
Delgado, Rafael;
Moraleda, Cinta;
Tagarro, Alfredo

Publication type:

Article

Top-antitop production from $$W^+_L W^-_L$$ and $$Z_L Z_L$$ scattering under a strongly interacting symmetry-breaking sector.

Published in:

European Physical Journal C -- Particles & Fields, 2017, v. 77, n. 7, p. 1, doi. 10.1140/epjc/s10052-017-4991-6

By:

Castillo, Andrés;
Delgado, Rafael;
Dobado, Antonio;
Llanes-Estrada, Felipe

Publication type:

Article

Coupling WW, ZZ unitarized amplitudes to γγ in the TeV region.

Published in:

European Physical Journal C -- Particles & Fields, 2017, v. 77, n. 4, p. 1, doi. 10.1140/epjc/s10052-017-4768-y

By:

Delgado, Rafael L.;
Dobado, Antonio;
Llanes-Estrada, Felipe J.

Publication type:

Article

Technological Bases for Understanding Fires around the World.

Published in:

Forests (19994907), 2024, v. 15, n. 2, p. 301, doi. 10.3390/f15020301

By:

Delgado, Rafael Coll

Publication type:

Article

The Consequences of Climate Change in the Brazilian Western Amazon: A New Proposal for a Fire Risk Model in Rio Branco, Acre.

Published in:

Forests (19994907), 2024, v. 15, n. 1, p. 211, doi. 10.3390/f15010211

By:

Melo, Kennedy da Silva;
Delgado, Rafael Coll;
Pereira, Marcos Gervasio;
Ortega, Givanildo Pereira

Publication type:

Article

Weed Coexistence in Eucalyptus Hybrid Stands Decreases Biomass and Nutritional Efficiency Mid-Rotation.

Published in:

Forests (19994907), 2023, v. 14, n. 9, p. 1816, doi. 10.3390/f14091816

By:

Momolli, Dione Richer;
Schumacher, Mauro Valdir;
Ludvichak, Aline Aparecida;
Caldeira, Marcos Vinicius Winckler;
Faria, Júlio Cézar Tannure;
Pereira, Marcos Gervasio;
Santos, Kristiana Fiorentin dos;
Souza, Huan Pablo de;
Guimarães, Claudiney do Couto;
Delgado, Rafael Coll

Publication type:

Article

Assessment of a New Fire Risk Index for the Atlantic Forest, Brazil.

Published in:

Forests (19994907), 2022, v. 13, n. 11, p. 1844, doi. 10.3390/f13111844

By:

Delgado, Rafael Coll;
Wanderley, Henderson Silva;
Pereira, Marcos Gervasio;
Almeida, André Quintão de;
Carvalho, Daniel Costa de;
Lindemann, Douglas da Silva;
Zonta, Everaldo;
Menezes, Sady Júnior Martins da Costa de;
Santos, Gilsonley Lopes dos;
Santana, Romário Oliveira de;
Souza, Renato Sinquini de;
Santos, Otavio Augusto Queiroz dos

Publication type:

Article

Prognostic Factors in Childhood Anaplastic Large Cell Lymphoma: Long Term Results of the International ALCL99 Trial.

Published in:

Cancers, 2020, v. 12, n. 10, p. 2747, doi. 10.3390/cancers12102747

By:

Mussolin, Lara;
Le Deley, Marié-Cecilé;
Carraro, Elisa;
Damm-Welk, Christine;
Attarbaschi, Andishe;
Williams, Denise;
Burke, Amos;
Horibe, Keizo;
Nakazawa, Atsuko;
Wrobel, Grazyna;
Mann, Georg;
Csóka, Monika;
Uyttebroeck, Anne;
Fernández-Delgado Cerdá, Rafael;
Beishuizen, Auke;
Mellgren, Karin;
Burkhardt, Birgit;
Klapper, Wolfram;
Turner, Suzanne D.;
d'Amore, Emanuele S.G.

Publication type:

Article

Newborn Auditory Brainstem Responses in Children with Developmental Disabilities.

Published in:

Journal of Autism & Developmental Disorders, 2023, v. 53, n. 2, p. 776, doi. 10.1007/s10803-021-05126-1

By:

Delgado, Christine F.;
Simpson, Elizabeth A.;
Zeng, Guangyu;
Delgado, Rafael E.;
Miron, Oren

Publication type:

Article

Vegetation resilience prognosis: A past and future approach from hydrometeorological and remote sensing data for eight government regions of Rio de Janeiro, Brazil.

Published in:

Arabian Journal of Geosciences, 2023, v. 16, n. 5, p. 1, doi. 10.1007/s12517-023-11393-2

By:

de Souza, Renato S.;
de Santana, Romário O.;
Delgado, Rafael C.;
Pereira, Marcos G.

Publication type:

Article

Dairy production in a region of the Brazilian Atlantic Forest: interactions between climate, fire, vegetation, and pasture degradation.

Published in:

Arabian Journal of Geosciences, 2023, v. 16, n. 2, p. 1, doi. 10.1007/s12517-023-11254-y

By:

de Santana, Romário Oliveira;
da Silva, Danilo Paulúcio;
Delgado, Rafael Coll;
dos Santos, Alison Silva;
Barros, Flávia Mariani

Publication type:

Article

Perampanel Monotherapy for Focal and Generalized Epilepsy in Clinical Practice.

Published in:

Acta Neurologica Scandinavica, 2023, p. 1, doi. 10.1155/2023/2852853

By:

Chinvarun, Yotin;
Delgado, Rafael Toledano;
Astner-Rohracher, Alexandra;
Wehner, Tim;
Toledo, Manuel;
Matricardi, Sara;
Trinka, Eugen;
Malhotra, Manoj;
Shastri, Oliver;
Villanueva, Vicente

Publication type:

Article

Unusually Large Anterior Fontanellar Bone and Diffuse Capillary Malformation with Overgrowth in a Three-Month-Old Child.

Published in:

Neuroradiology Journal, 2014, v. 27, n. 5, p. 613, doi. 10.15274/NRJ-2014-10063

By:

GONZALEZ-REINOSO, MASSIEL;
PIMENTEL, HELKA;
FERMIN-DELGADO, RAFAEL;
STOETER, PETER

Publication type:

Article

El nivel de la hormona paratiroidea (PTH) y no el de fósforo sérico es predictor de la progresión de la enfermedad renal en pacientes mayores con enfermedad renal crónica avanzada.

Published in:

Nefrologia, 2017, v. 37, n. 2, p. 149, doi. 10.1016/j.nefro.2016.08.004

By:

Gaibor, Néstor Gabriel Toapanta;
Pérez, Nathasha Carolina Nava;
Echevers, Yeleine Martínez;
Delgado, Rafael Montes;
Riscos, María Ángeles Guerrero

Publication type:

Article

Supervivencia de pacientes de edad avanzada (≥70 años) con enfermedad crónica estadios 4-5: diálisis vs tratamiento conservador.

Published in:

Nefrologia, 2016, v. 36, n. 3, p. 283, doi. 10.1016/j.nefro.2015.11.006

By:

Martínez Echevers, Yeleine;
Toapanta Gaibor, Néstor Gabriel;
Nava Pérez, Nathasha;
Barbosa Martin, Francisco;
Montes Delgado, Rafael;
Guerrero Riscos, María Ángeles

Publication type:

Article

¿Qué esperan los latinoamericanos de la democracia? Un modelo de análisis de varianza (ANOVA).

Published in:

Agenda Internacional, 2021, v. 28, n. 39, p. 97, doi. 10.18800/agenda.202101.004

By:

Miranda Delgado, Rafael Gustavo

Publication type:

Article

Dissecting carbohydrate–Cyanovirin-N binding by structure-guided mutagenesis: functional implications for viral entry inhibition.

Published in:

PEDS: Protein Engineering, Design & Selection, 2006, v. 19, n. 12, p. 525, doi. 10.1093/protein/gzl040

By:

Barrientos, Laura G.;
Matei, Elena;
Lasala, Fátima;
Delgado, Rafael;
Gronenborn, Angela M.

Publication type:

Article

Broad Neutralizing Activity Against Ebolaviruses Lacking the Mucin-Like Domain in Convalescent Plasma Specimens From Patients With Ebola Virus Disease.

Published in:

2018

By:

Luczkowiak, Joanna;
Lasala, Fatima;
Mora-Rillo, Marta;
Arribas, Jose R;
Delgado, Rafael

Publication type:

journal article

Evidencia del ejercicio en el tratamiento de la fatiga relacionada al cáncer infantil. Revisión temática.

Published in:

Revista de Salud Pública, 2022, v. 24, n. 3, p. 1, doi. 10.15446/rsap.V24n3.99217

By:

Delgado-Bustamante, Rafael I.;
Rodríguez-Santillán, Elizabeth

Publication type:

Article

Cooling Efficiency of Sleeveless 3D-Printed Surgical Guides with Different Cylinder Designs.

Published in:

Medicina (1010660X), 2024, v. 60, n. 2, p. 239, doi. 10.3390/medicina60020239

By:

Ali, Aisha;
Brintouch, Ido;
Romanos, Georgios;
Delgado-Ruiz, Rafael

Publication type:

Article

Counterclockwise Drilling with Different Tapered Drills Condenses the Implant Bed—An Optical Coherence Tomography In Vitro Study.

Published in:

Medicina (1010660X), 2021, v. 57, n. 9, p. 1, doi. 10.3390/medicina57090940

By:

Delgado-Ruiz, Rafael;
Mahdian, Mina;
Benezha, Ilyasse;
Romanos, Georgios

Publication type:

Article

Chronic fatigue syndrome: aetiology, diagnosis and treatment.

Published in:

BMC Psychiatry, 2009, v. 9, p. 1, doi. 10.1186/1471-244X-9-S1-S1

By:

Fernández, Alfredo Avellaneda;
Martín, Álvaro Pérez;
Martínez, Maravillas Izquierdo;
Bustillo, Mar Arruti;
Barbado Hernández, Francisco Javier;
Labrado, Javier de la Cruz;
Peñas, Rafael Díaz-Delgado;
Rivas, Eduardo Gutiérrez;
Delgado, Cecilia Palacín;
Redondo, Javier Rivera;
Ramón Giménez, José Ramón

Publication type:

Article

New insights into the role of endosomal proteins for African swine fever virus infection.

Published in:

PLoS Pathogens, 2022, v. 18, n. 1, p. 1, doi. 10.1371/journal.ppat.1009784

By:

Cuesta-Geijo, Miguel Ángel;
García-Dorival, Isabel;
del Puerto, Ana;
Urquiza, Jesús;
Galindo, Inmaculada;
Barrado-Gil, Lucía;
Lasala, Fátima;
Cayuela, Ana;
Sorzano, Carlos Oscar S.;
Gil, Carmen;
Delgado, Rafael;
Alonso, Covadonga

Publication type:

Article

Implant stability and marginal bone level of microgrooved zirconia dental implants: A 3-month experimental study on dogs.

Published in:

Vojnosanitetski Pregled: Military Medical & Pharmaceutical Journal of Serbia, 2014, v. 71, n. 5, p. 451, doi. 10.2298/VSP121003034D

By:

Arcesio Delgado-Ruíz, Rafael;
Marković, Aleksa;
Calvo-Guirado, José Luís;
Lazić, Zoran;
Piattelli, Adriano;
Boticelli, Daniele;
Maté-Sánchez, José Eduardo;
Negri, Bruno;
Piedad Ramírez-Fernández, María;
Misic, Tijana

Publication type:

Article

Single-step, multiple retroviral transduction of human T cells.

Published in:

Journal of Gene Medicine, 2002, v. 4, n. 1, p. 27, doi. 10.1002/jgm.242

By:

Abad, José Luis;
Serrano, Fernando;
Román, Ascensión L. San;
Delgado, Rafael;
Bernad, Antonio;
González, Manuel A.

Publication type:

Article

DNA methylation-based classification of malformations of cortical development in the human brain.

Published in:

Acta Neuropathologica, 2022, v. 143, n. 1, p. 93, doi. 10.1007/s00401-021-02386-0

By:

Jabari, Samir;
Kobow, Katja;
Pieper, Tom;
Hartlieb, Till;
Kudernatsch, Manfred;
Polster, Tilman;
Bien, Christian G.;
Kalbhenn, Thilo;
Simon, Matthias;
Hamer, Hajo;
Rössler, Karl;
Feucht, Martha;
Mühlebner, Angelika;
Najm, Imad;
Peixoto-Santos, José Eduardo;
Gil-Nagel, Antonio;
Delgado, Rafael Toledano;
Aledo-Serrano, Angel;
Hou, Yanghao;
Coras, Roland

Publication type:

Article

Homogeneous regions for rainfall distribution in the city of Rio de Janeiro associated with the risk of natural disasters.

Published in:

Natural Hazards, 2022, v. 111, n. 1, p. 333, doi. 10.1007/s11069-021-05056-2

By:

Pereira, Renato Marques Sanches;
Wanderley, Henderson Silva;
Delgado, Rafael Coll

Publication type:

Article

Discriminação da cobertura vegetal em uma região do Cerrado mato-grossense por meio do índice de vegetação por diferença normalizada.

Published in:

Investigación Agraria, 2022, v. 24, n. 2, p. 86, doi. 10.18004/investig.agrar.2022.diciembre.2402717

By:

Gomes de Oliveira, Pedro Paulo;
Scorpioni de Oliveira, Deyse;
de Oliveira Filho, Paulo Costa;
Delgado Martínez, Rafael;
Barúa Acosta, Hugo Armando;
dos Santos Laroca, Jackeline Vieira;
Miranda de Oliveira, Mateus

Publication type:

Article

SÉNECA O EL PENSAMIENTO LIBERADOR.

Published in:

Revista de Psicoterapia y Psicosomática, 2023, n. 109, p. 43

By:

Delgado Campos, Rafael;
Delgado Campos, Alicia

Publication type:

Article

Soil Cleanup by In-Situ Aeration. XX. Mass Transport of Volatile Organics in Wet Activated Carbon.

Published in:

Separation Science & Technology, 1994, v. 29, n. 16, p. 2073, doi. 10.1080/01496399408002191

By:

Wilson, David J.;
Cordero, Tomás;
Gómez-Lahoz, César;
Delgado, Rafael G.;
Rodríguez-Maroto, José M.

Publication type:

Article

Effects of Stimulus Intensity and Sweep Count on the Click- and Chirp-Evoked Auditory Brainstem Response.

Published in:

Perspectives of the ASHA Special Interest Groups, 2024, v. 9, n. 5, p. 1331, doi. 10.1044/2024_PERSP-24-00097

By:

Campbell, Madeline;
Delgado, Rafael E.;
Ananthakrishnan, Saradha;
Peitsch, Katherine

Publication type:

Article

Heat Accumulation in Implant Inter-Osteotomy Areas—An Experimental In Vitro Study.

Published in:

Biomedicines, 2023, v. 11, n. 1, p. 9, doi. 10.3390/biomedicines11010009

By:

Li, Shanlin;
Tanner, Adam;
Romanos, Georgios;
Delgado-Ruiz, Rafael

Publication type:

Article

Propiedades físicas y mecánicas de las semillas de marañón (Anacardium occidentale) cultivadas en la Cuenca del Papaloapan, Veracruz, México.

Published in:

TIP Revista Especializada en Ciencias Químico-Biológicas, 2024, v. 27, p. 1, doi. 10.22201/fesz.23958723e.2024.677

By:

Amador-Mendoza, Adolfo;
Rodríguez-Miranda, Jesús;
Castellanos-Miravete, Keila;
Bravo Delgado, Humberto Rafael

Publication type:

Article