Works matching AU Yusuf, Mohammed

Results: 160

Sparse signal reconstruction via Hager–Zhang-type schemes for constrained system of nonlinear equations.

Published in:

Optimization, 2024, v. 73, n. 6, p. 1949, doi. 10.1080/02331934.2023.2187255

By:

Ahmed, Kabiru;
Yusuf Waziri, Mohammed;
Sani Halilu, Abubakar;
Murtala, Salisu

Publication type:

Article

Modified matrix-free methods for solving system of nonlinear equations.

Published in:

Optimization, 2021, v. 70, n. 11, p. 2321, doi. 10.1080/02331934.2020.1778689

By:

Waziri, Mohammed Yusuf;
Muhammad, Hadiza Usman;
Halilu, Abubakar Sani;
Ahmed, Kabiru

Publication type:

Article

Taxonomy and distribution of two newly recorded genera in Saudi Arabia.

Published in:

Kuwait Journal of Science, 2015, v. 42, n. 3, p. 158

By:

AL-REHAILY, ADNAN;
THOMAS, JACOB;
YUSUF, MOHAMMED;
MAYANDY, SIVADASAN;
ALFARHAN, AHMED HAMED;
EL-SHEIKH, MOHAMED ABDELRAOUF;
ALATAR, ABDULREHMAN

Publication type:

Article

Prevalence and Associated Factors of Anemia Among Hospital Admitted Patients in Eastern Ethiopia.

Published in:

Journal of Blood Medicine, 2023, v. 14, p. 575, doi. 10.2147/JBM.S431047

By:

Yusuf, Mohammed Umer;
Abdurahman, Nuredin;
Asmerom, Haftu;
Atsbaha, Tesfaye;
Alemu, Adisu;
Weldegebreal, Fitsum

Publication type:

Article

British Society for Rheumatology biologic DMARD safety guidelines in inflammatory arthritis.

Published in:

2019

By:

Holroyd, Christopher R;
Seth, Rakhi;
Bukhari, Marwan;
Malaviya, Anshuman;
Holmes, Claire;
Curtis, Elizabeth;
Chan, Christopher;
Yusuf, Mohammed A;
Litwic, Anna;
Smolen, Susan;
Topliffe, Joanne;
Bennett, Sarah;
Humphreys, Jennifer;
Green, Muriel;
Ledingham, Jo

Publication type:

Correction Notice

British Society for Rheumatology biologic DMARD safety guidelines in inflammatory arthritis—Executive summary.

Published in:

Rheumatology, 2019, v. 58, n. 2, p. 220, doi. 10.1093/rheumatology/key207

By:

Holroyd, Christopher R;
Seth, Rakhi;
Bukhari, Marwan;
Malaviya, Anshuman;
Holmes, Claire;
Curtis, Elizabeth;
Chan, Christopher;
Yusuf, Mohammed A;
Litwic, Anna;
Smolen, Susan;
Topliffe, Joanne;
Bennett, Sarah;
Humphreys, Jennifer;
Green, Muriel;
Ledingham, Jo

Publication type:

Article

British Society for Rheumatology biologic DMARD safety guidelines in inflammatory arthritis.

Published in:

Rheumatology, 2019, v. 58, n. 2, p. e3, doi. 10.1093/rheumatology/key208

By:

Holroyd, Christopher R;
Seth, Rakhi;
Bukhari, Marwan;
Malaviya, Anshuman;
Holmes, Claire;
Curtis, Elizabeth;
Chan, Christopher;
Yusuf, Mohammed A;
Litwic, Anna;
Smolen, Susan;
Topliffe, Joanne;
Bennett, Sarah;
Humphreys, Jennifer;
Green, Muriel;
Ledingham, Jo

Publication type:

Article

Stepping Back.

Published in:

Journal of Palliative Medicine, 2014, v. 17, n. 4, p. 492, doi. 10.1089/jpm.2013.0363

By:

Yusuf, Mohammed Abid

Publication type:

Article

Beef quality of Hararghe highland bull following different hours of draught service.

Published in:

Acta Agriculturae Scandinavica: Section A, Animal Science, 2024, v. 73, n. 3/4, p. 221, doi. 10.1080/09064702.2023.2284754

By:

Ye'i, Yohannes Urgesa;
Mummed, Yesihak Yusuf;
Kurtu, Mohammed Yusuf;
Leta, Mengistu Urge;
O'Quinn, Travis Gene;
Kebede Kefenie, Kefelegn

Publication type:

Article

Robot-Assisted Minimally Invasive Coronary Artery Bypass Grafting: Total Arterial Revascularization Using the Double-Docking Technique.

Published in:

Innovations: Technology & Techniques in Cardiothoracic & Vascular Surgery, 2024, v. 19, n. 4, p. 402, doi. 10.1177/15569845241266250

By:

Yusuf, Meeranghani Mohammed;
Bansal, Varun;
Venkatesh, Ashwin;
Chandrasekharan, Ganapathy Arumugam;
Vora, Minal;
Mahesh Kumar, Aishwarya

Publication type:

Article

Dementia in a resource‐constrained sub‐Saharan African setting: A comprehensive retrospective analysis of prevalence, risk factors, and management at the only neuropsychiatric facility in Northeastern Nigeria.

Published in:

Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2025, v. 21, n. 3, p. 1, doi. 10.1002/alz.14538

By:

Wakawa, Ibrahim Abdu;
Musami, Umar Baba;
Kwairanga, Suleiman Hamidu;
Ogualili, Placidus Nwankuba;
Mahmood, Mohammed Yusuf;
Fugu, Muhammad Abba;
Gimba, Mohammed Mala;
Allamin, Muktar Mohammed;
Abbas, Zaharadeen Umar;
Sunkani, Muhammad Kawu;
Yaganami, Zainab Bukar;
Kadau, Fatima Mustapha;
Sani, Nasir Muhammad;
Danmallam, Peter;
Nanjul, Luka;
Babazau, Larema;
Muhammad, Zaid;
Goni, Baba Waru;
Machina, Babagana Kundi;
Karch, Celeste M.

Publication type:

Article

Correction to: X-ray ptychography imaging of human chromosomes after low-dose irradiation.

Published in:

2021

By:

Bhartiya, Archana;
Batey, Darren;
Cipiccia, Silvia;
Shi, Xiaowen;
Rau, Christoph;
Botchway, Stanley;
Yusuf, Mohammed;
Robinson, Ian K.

Publication type:

Correction Notice

X-ray Ptychography Imaging of Human Chromosomes After Low-dose Irradiation.

Published in:

Chromosome Research, 2021, v. 29, n. 1, p. 107, doi. 10.1007/s10577-021-09660-7

By:

Bhartiya, Archana;
Batey, Darren;
Cipiccia, Silvia;
Shi, Xiaowen;
Rau, Christoph;
Botchway, Stanley;
Yusuf, Mohammed;
Robinson, Ian K.

Publication type:

Article

Comparative Study on the Variability Margin of Concrete Strength between Weight and Volume Batching Methods.

Published in:

ABUAD Journal of Engineering Research & Development, 2025, v. 8, n. 1, p. 240, doi. 10.53982/ajerd.2025.0801.25-j

By:

YAHYA, Ismail Akolawole;
ABUBAKAR, Abdulhameed Umar;
MOHAMMED, Yusuf Hassan;
USMAN, Suleman Yusuf

Publication type:

Article

An Online Survey to Evaluate Knowledge, Attitude and Practices Regarding Immuno-nutrition during COVID Pandemic in Indians Staying in Different Countries.

Published in:

Current Research in Nutrition & Food Science, 2021, v. 9, n. 2, p. 390, doi. 10.12944/CRNFSJ.9.2.03

By:

BHOL, ALIFIA;
SANWALKA, NEHA;
IMANI, JAMILA TAHERALI;
POONAWALA, SAKINA MUSTAFA;
PATEL, TABASSUM;
YUSUF KAPADIA, SADIYYA MOHAMMED;
JAMALI, MARIA ABBAS

Publication type:

Article

Life as struggle: a narrative of coping strategies of elderly refugees in South Africa.

Published in:

Cogent Social Sciences, 2024, v. 10, n. 1, p. 1, doi. 10.1080/23311886.2024.2334115

By:

Yusuf, Mohammed Sanusi;
Umejesi, Ikechukwu

Publication type:

Article

Exploratory study of growth performance of Harar, Ogaden, Arsi, and Jersey × Horro crossbred bulls fed corn silage based finishing diet.

Published in:

Cogent Food & Agriculture, 2024, v. 10, n. 1, p. 1, doi. 10.1080/23311932.2024.2312698

By:

Erge, Chala Merera;
Mummed, Yesihak Yusuf;
Musa, Ahmedin Abdurehman;
Kefenie, Kefelegn Kebede;
Kurtu, Mohammed Yusuf;
Gemeda, Mesfin Tafesse;
O'Quinn, Travis Gene

Publication type:

Article

FACTORS INFLUENCING THE ALLOCATIVE EFFICIENCY OF THE SMALL-SCALE TOMATO (LYCOPERSICUM SPECIES) PRODUCTION IN KADUNA STATE, NIGERIA: IMPLICATIONS FOR FOOD SECURITY AND RESOURCE MANAGEMENT.

Published in:

Agricultural Sciences / Agrarni Nauki, 2024, v. 16, n. 40, p. 118, doi. 10.22620/agrisci.2024.40.011

By:

ALABI, Olugbenga Omotayo;
ALUWONG, Jeremiah Samuel;
ATTEH, Paul Akinwumi;
DIRISU, Herbert Ibrahim;
YUSUF, Fadhilat Mohammed;
POPOOLA, Luqman Abiola;
AGADA, Levi Friday;
HARUNA, Ojuh Ezekiel

Publication type:

Article

ECONOMIC EFFICIENCY OF RICE PRODUCTION AMONG THE SMALL-SCALE WOMEN FARMERS IN THE FEDERAL CAPITAL TERRITORY, NIGERIA.

Published in:

Agricultural Sciences / Agrarni Nauki, 2024, v. 16, n. 40, p. 63, doi. 10.22620/agrisci.2024.40.006

By:

ALABI, Olugbenga Omotayo;
ALUWONG, Jeremiah Samuel;
ATTEH, Paul Akinwumi;
DIRISU, Herbert Ibrahim;
YUSUF, Fadhilat Mohammed;
POPOOLA, Luqman Abiola;
AGADA, Levi Friday;
HARUNA, Ojuh Ezekiel

Publication type:

Article

CHARACTERIZATION OF CRUDE STARCH EXTRACT OF WILD CASSAVA TUBER (Ampelocissus africana).

Published in:

Bayero Journal of Pure & Applied Sciences, 2022, p. 260, doi. 10.4314/bajopas.v13i1.41S

By:

Mustapha, Yusuf Mohammed;
Hassan, Lawal G.;
Zainab, I. S. G. Adiya;
Aminu, Nafiu;
Agwamba, Ernest C.

Publication type:

Article

Complex Presentation of Uterus Didelphys With Bilateral Leiomyomas: A Case Report.

Published in:

2025

By:

Wube, Assaye Mezgebu;
Yusuf, Yusuf Mohammed;
Abate, Biniyam Afework;
Hussen, Meksud Shemsu;
Kebede, Yabets Tesfaye;
Mohammed, Bekri Delil;
Singh, Manvinder

Publication type:

Case Study

Antivenom activity of triterpenoid (C34H68O2) from Leucas aspera Linn. against Naja naja naja venom induced toxicity: Antioxidant and histological study in mice.

Published in:

Human & Experimental Toxicology, 2014, v. 33, n. 4, p. 336, doi. 10.1177/0960327113494901

By:

Venkatesan, C;
Sarathi, M;
Balasubramanian, G;
Thomas, John;
Balachander, V;
Babu, V Sarath;
Bilal, S Mohammed Yusuf;
Majeed, S Abdul;
Madan, N;
Raj, N Sundar;
Vimal, S;
Nambi, KSN;
Hameed, AS Sahul

Publication type:

Article

Novel Electrodeposited Ni-B/Y2O3 Composite Coatings with Improved Properties.

Published in:

Coatings (2079-6412), 2017, v. 7, n. 10, p. 161, doi. 10.3390/coatings7100161

By:

Shakoor, Rana Abdul;
Waware, Umesh Somaji;
Ali, Kamran;
Kahraman, Ramazan;
Popelka, Anton;
Yusuf, Moinuddin Mohammed;
Hasan, Anwarul

Publication type:

Article

Decolonizing and Reconstructing the Legal Discourse on the Nile River as sine qua non.

Published in:

Mizan Law Review, 2023, v. 17, n. 2, p. 231, doi. 10.4314/mlr.v17i2.1

By:

Mohammed, Yusuf Ali

Publication type:

Article

The Legal Framework and Barriers to Access to Environmental Information in Ethiopia.

Published in:

Mizan Law Review, 2021, v. 15, n. 1, p. 139, doi. 10.4314/mlr.v15i1.5

By:

Yusuf, Abdulkader Mohammed

Publication type:

Article

Globalization of Patent Laws through Trade Agreements, and Pressures on Ethiopia's Patent Regime: The Passenger behind the Wheel.

Published in:

Mizan Law Review, 2018, v. 12, n. 1, p. 71, doi. 10.4314/mlr.v12i1.3

By:

Yusuf, Abdulkader Mohammed

Publication type:

Article

GENDER DIFFERENCES IN PROFESSIONAL AND DIGITAL COMPETENCIES AMONG SECONDARY SCHOOL TEACHERS IN JAMMU AND KASHMIR: A DESCRIPTIVE AND CORRELATIONAL ANALYSIS.

Published in:

i-Manager's Journal on School Educational Technology, 2024, v. 20, n. 2, p. 1, doi. 10.26634/jsch.20.2.21160

By:

SOFAL, FIRDOUS AHMAD;
YUSUF ANSARI, MOHAMMED IQBAL;
ANSARI, YUSUF;
PRADHAN, MADHUMITA

Publication type:

Article

Aggressive Behaviour and Family Structure among Nigerian Adolescents.

Published in:

Indian Journal of Public Health Research & Development, 2019, v. 10, n. 1, p. 1311, doi. 10.5958/0976-5506.2019.00238.9

By:

Yusuf, Mohammed Tajudeen;
Khan, Aqeel

Publication type:

Article

Trends of Tuberculosis Disease from 2013–2018 in Bale Zone, Oromia Region, Ethiopia. Retrospective Review.

Published in:

Infection & Drug Resistance, 2022, v. 15, p. 6723, doi. 10.2147/IDR.S384402

By:

Badeso, Mohammed Hasen;
Kalil, Falaho Sani;
Ahmed, Yusuf Mohammed;
Godie, Shemsedin Abdulkadir;
Regesu, Ashenafi Habtamu

Publication type:

Article

Personality Traits as Key Determinants of COVID-19 Vaccine Uptake among Healthcare Workers in Nigeria.

Published in:

Nigerian Journal of Medicine, 2023, v. 32, n. 3, p. 293, doi. 10.4103/NJM.NJM_40_23

By:

Mahmood, Mohammed Yusuf;
Ashiru, Abdurrahman;
Shettima, Falmata Baba;
Abdullahi, Abdulkareem Abashe;
Ngulde, Abdulhakeem Mamman;
Abbas, Zaharadeen Umar;
Jibrin, Inuwa Murtala;
Musami, Umar Baba;
Wakawa, Ibrahim Abdu

Publication type:

Article

CHOICE OF ANTIHYPERTENSIVE MEDICATIONS AMONG PHYSICIANS AND ITS IMPACT ON BLOOD PRESSURE CONTROL AMONG NIGERIANS LIVING WITH HYPERTENSION.

Published in:

Nigerian Journal of Medicine, 2016, v. 25, n. 3, p. 220

By:

Sani, Mijinyawa Muhammad;
Shehu, Yusuf Mohammed;
Hamza, Mohammed;
Hadiza, Saidu;
Aminu, Sulaiman Balarabe;
E., Uloko Andrew

Publication type:

Article

Estimation of prolonged lifetimes of excited states of neutral oxygen atom (OI) by time-resolved laser-induced breakdown spectroscopy (TR-LIBS).

Published in:

Journal of the Bangladesh Academy of Sciences, 2022, v. 46, n. 2, p. 175, doi. 10.3329/jbas.v46i2.63416

By:

Yusuf Haider, Abul Fazal Mohammed;
Hoque, Nabil Md Rakinul;
Rahaman, Arifur;
Khan, Zulfiqar Hasan

Publication type:

Article

Practical utility of liver segmentation methods in clinical surgeries and interventions.

Published in:

2022

By:

Ansari, Mohammed Yusuf;
Abdalla, Alhusain;
Ansari, Mohammed Yaqoob;
Ansari, Mohammed Ishaq;
Malluhi, Byanne;
Mohanty, Snigdha;
Mishra, Subhashree;
Singh, Sudhansu Sekhar;
Abinahed, Julien;
Al-Ansari, Abdulla;
Balakrishnan, Shidin;
Dakua, Sarada Prasad

Publication type:

Literature Review

Correction: Practical utility of liver segmentation methods in clinical surgeries and interventions.

Published in:

2022

By:

Ansari, Mohammed Yusuf;
Abdalla, Alhusain;
Ansari, Mohammed Yaqoob;
Ansari, Mohammed Ishaq;
Malluhi, Byanne;
Mohanty, Snigdha;
Mishra, Subhashree;
Singh, Sudhansu Sekhar;
Abinahed, Julien;
Al-Ansari, Abdulla;
Balakrishnan, Shidin;
Dakua, Sarada Prasad

Publication type:

Correction Notice

Practical utility of liver segmentation methods in clinical surgeries and interventions.

Published in:

2022

By:

Ansari, Mohammed Yusuf;
Abdalla, Alhusain;
Ansari, Mohammed Yaqoob;
Ansari, Mohammed Ishaq;
Malluhi, Byanne;
Mohanty, Snigdha;
Mishra, Subhashree;
Singh, Sudhansu Sekhar;
Abinahed, Julien;
Al-Ansari, Abdulla;
Balakrishnan, Shidin;
Dakua, Sarada Prasad

Publication type:

Literature Review

Practical utility of liver segmentation methods in clinical surgeries and interventions.

Published in:

2022

By:

Ansari, Mohammed Yusuf;
Abdalla, Alhusain;
Ansari, Mohammed Yaqoob;
Ansari, Mohammed Ishaq;
Malluhi, Byanne;
Mohanty, Snigdha;
Mishra, Subhashree;
Singh, Sudhansu Sekhar;
Abinahed, Julien;
Al-Ansari, Abdulla;
Balakrishnan, Shidin;
Dakua, Sarada Prasad

Publication type:

Literature Review

3D X-Ray Nanotomography of Cells Grown on Electrospun Scaffolds.

Published in:

Macromolecular Bioscience, 2017, v. 17, n. 2, p. n/a, doi. 10.1002/mabi.201600236

By:

Bradley, Robert S.;
Robinson, Ian K.;
Yusuf, Mohammed

Publication type:

Article

Investigating the structural, optical and electrochemical performance of bismuth ferrite (BiFeO3) nanoparticles toward photocatalytic activity: as an effect of reducing agent.

Published in:

Journal of Materials Science: Materials in Electronics, 2023, v. 34, n. 5, p. 1, doi. 10.1007/s10854-023-09877-8

By:

Muthukrishnan, R. M.;
Devee, D. Renuka;
Ansari, P. Mohammed Yusuf;
Sivanesan, T.;
Kader, S. M. Abdul

Publication type:

Article

Hybrid derivative-free methods for solving system of nonlinear equations.

Published in:

RAIRO: Operations Research (2804-7303), 2024, v. 58, n. 1, p. 989, doi. 10.1051/ro/2023117

By:

Waziri, Mohammed Yusuf;
Muhammad, Hadiza Usman;
Halilu, Abubakar Sani;
Ahmed, Kabiru;
Murtala, Salisu

Publication type:

Article

Two new Hager–Zhang iterative schemes with improved parameter choices for monotone nonlinear systems and their applications in compressed sensing.

Published in:

RAIRO: Operations Research (2804-7303), 2022, v. 56, n. 1, p. 239, doi. 10.1051/ro/2021190

By:

Waziri, Mohammed Yusuf;
Ahmed, Kabiru;
Halilu, Abubakar Sani;
Sabi'u, Jamilu

Publication type:

Article

THE ENDLESS CONTROVERSIES OF THE NILE RIVER BASIN IN THE CONTEXT OF INTERNATIONAL TRANSBOUNDARY WATERCOURSE DOCTRINES.

Published in:

ASBU Law Journal, 2022, v. 4, n. 2, p. 895, doi. 10.47136/asbuhfd.1050465

By:

MOHAMMED, Yusuf Ali

Publication type:

Article

CASE OF ENTEROPATHIC ARTHRITIS: OR IS IT?

Published in:

2018

By:

Al-Zaza, Magda;
Yusuf, Mohammed Abid;
Khakwani, Alexander

Publication type:

Case Study

RARE INFECTIVE CAUSE PRESENTING AS SYSTEMIC VASCULITIS A DIAGNOSTIC DILEMMA.

Published in:

2018

By:

Khakwani, Alex;
Yusuf, Mohammed Abid;
Al-Zaza, Magda;
Byrne, Paul

Publication type:

Case Study

Does IFRS Adoption Influence Financial Reporting?: An Empirical Study on Financial Institutions.

Published in:

Journal of Business & Management, 2014, v. 20, n. 1, p. 67, doi. 10.1504/jbm.2014.141220

By:

Yusuf Mohammed Nulla

Publication type:

Article

VARIATION IN SOIL PHYSIOCHEMICAL PROPERTIES AT DIFFERENT LAND USE SITES IN NORTHEASTERN NIGERIA.

Published in:

International Journal of Applied & Physical Sciences, 2017, v. 3, n. 1, p. 19, doi. 10.20469/ijaps.3.50004-1

By:

YUSUF, MOHAMMED BAKOJI;
FIRUZA, BEGHAM MUSTAFA;
KHAIRULMAINI, OSMAN SALLEH

Publication type:

Article

A New Hybrid Approach for Solving Large-scale Monotone Nonlinear Equations.

Published in:

Journal of Mathematical & Fundamental Sciences, 2020, v. 52, n. 1, p. 17, doi. 10.5614/j.math.fund.sci.2020.52.1.2

By:

Sabi'ul, Jamilu;
Shah, Abdullah;
Waziri, Mohammed Yusuf;
Dauda, Muhammad Kabir

Publication type:

Article

Effects of an incentive spirometer versus a threshold inspiratory muscle trainer on lung functions in Parkinson's disease patients: a randomized trial.

Published in:

Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-29534-8

By:

Mohammed Yusuf, Saiyed Farheen;
Bhise, Anjali;
Nuhmani, Shibili;
Alghadir, Ahmad H.;
Khan, Masood

Publication type:

Article

Publisher Correction: A lightweight neural network with multiscale feature enhancement for liver CT segmentation.

Published in:

2022

By:

Ansari, Mohammed Yusuf;
Yang, Yin;
Balakrishnan, Shidin;
Abinahed, Julien;
Al-Ansari, Abdulla;
Warfa, Mohamed;
Almokdad, Omran;
Barah, Ali;
Omer, Ahmed;
Singh, Ajay Vikram;
Meher, Pramod Kumar;
Bhadra, Jolly;
Halabi, Osama;
Azampour, Mohammad Farid;
Navab, Nassir;
Wendler, Thomas;
Dakua, Sarada Prasad

Publication type:

Correction Notice

A lightweight neural network with multiscale feature enhancement for liver CT segmentation.

Published in:

Scientific Reports, 2022, v. 12, n. 1, p. 1, doi. 10.1038/s41598-022-16828-6

By:

Ansari, Mohammed Yusuf;
Yang, Yin;
Balakrishnan, Shidin;
Abinahed, Julien;
Al-Ansari, Abdulla;
Warfa, Mohamed;
Almokdad, Omran;
Barah, Ali;
Omer, Ahmed;
Singh, Ajay Vikram;
Meher, Pramod Kumar;
Bhadra, Jolly;
Halabi, Osama;
Azampour, Mohammad Farid;
Navab, Nassir;
Wendler, Thomas;
Dakua, Sarada Prasad

Publication type:

Article

Influence of Single-nucleotide Polymorphism of INF-γ (rs.2430561, +874 A/T) and Interleukin-10 (rs.1800896, −1082 A/G) on the Risk of Tuberculosis and Drug Resistance in Kaduna State, Nigeria.

Published in:

International Journal of Mycobacteriology, 2025, v. 14, n. 2, p. 170, doi. 10.4103/ijmy.ijmy_39_25

By:

Madaki, Suzie;
Mohammed, Yusuf;
Rogo, Lawal Dahiru;
Yusuf, Mustapha;
Bala, Yazeed Garba;
Ahmad, Umar Aliyu

Publication type:

Article