Works by Barbour, Kamil E.

Results: 90

Clinical and Serologic Phenotyping and Damage Indices in Patients With Systemic Lupus Erythematosus With and Without Fibromyalgia.

Published in:

ACR Open Rheumatology, 2024, v. 6, n. 4, p. 172, doi. 10.1002/acr2.11641

By:

Corbitt, Kelly;
Carlucci, Philip M.;
Cohen, Brooke;
Masson, Mala;
Saxena, Amit;
Belmont, H. Michael;
Tseng, Chung‐E;
Barbour, Kamil E.;
Gold, Heather;
Buyon, Jill;
Izmirly, Peter

Publication type:

Article

Multimorbidity in systemic lupus erythematosus in a population-based cohort: the Lupus Midwest Network.

Published in:

Rheumatology, 2024, v. 63, n. 11, p. 3056, doi. 10.1093/rheumatology/kead617

By:

Figueroa-Parra, Gabriel;
Meade-Aguilar, Jose A;
Hulshizer, Cassondra A;
Gunderson, Tina M;
Chamberlain, Alanna M;
Thanarajasingam, Uma;
Greenlund, Kurt J;
Barbour, Kamil E;
Crowson, Cynthia S;
Duarte-García, Alí

Publication type:

Article

The association of trauma with self-reported flares and disease activity in systemic lupus erythematosus (SLE).

Published in:

Rheumatology, 2023, v. 62, n. 8, p. 2780, doi. 10.1093/rheumatology/keac690

By:

Katz, Patricia;
Patterson, Sarah L;
DeQuattro, Kimberly;
Lanata, Cristina M;
Barbour, Kamil E;
Greenlund, Kurt J;
Gordon, Caroline;
Criswell, Lindsey A;
Dall'Era, Maria;
Yazdany, Jinoos

Publication type:

Article

Impact of the COVID-19 Vaccination Program on case incidence, emergency department visits, and hospital admissions among children aged 5–17 Years during the Delta and Omicron Periods—United States, December 2020 to April 2022.

Published in:

PLoS ONE, 2022, v. 17, n. 12, p. 1, doi. 10.1371/journal.pone.0276409

By:

Topf, Katherine G.;
Sheppard, Michael;
Marx, Grace E.;
Wiegand, Ryan E.;
Link-Gelles, Ruth;
Binder, Alison M.;
Cool, Andrea J.;
Lyons, B. Casey;
Park, Sohyun;
Fast, Hannah E.;
Presnetsov, Arthur;
Azondekon, G. Roseric;
Soetebier, Karl A.;
Adjemian, Jennifer;
Barbour, Kamil E.

Publication type:

Article

Knowledge, attitudes, and practices related to treatment and prevention of cholera, Haiti, 2010.

Published in:

2011

By:

Beau De Rochars VE;
Tipret J;
Patrick M;
Jacobson L;
Barbour KE;
Berendes D;
Bensyl D;
Frazier C;
Domercant JW;
Archer R;
Roels T;
Tappero JW;
Handzel T;
Beau De Rochars, Valery E M;
Tipret, Julie;
Patrick, Molly;
Jacobson, Lara;
Barbour, Kamil E;
Berendes, David;
Bensyl, Diana

Publication type:

journal article

Knowledge, Attitudes, and Practices Related to Treatment and Prevention of Cholera, Haiti, 2010.

Published in:

Emerging Infectious Diseases, 2011, v. 17, n. 11, p. 2158, doi. 10.3201/eid1711.110818

By:

Beau De Rochars, Valery E. M.;
Tipret, Julie;
Patrick, Molly;
Jacobson, Lara;
Barbour, Kamil E.;
Berendes, David;
Bensyl, Diana;
Frazier, Cathie;
Domercant, Jean W.;
Archer, Roodly;
Roels, Thierry;
Tappero, Jordan W.;
Handzel, Thomas

Publication type:

Article

Cost-related prescription non-adherence and patient-reported outcomes in systemic lupus erythematosus: The Michigan Lupus Epidemiology & Surveillance program.

Published in:

Lupus, 2023, v. 32, n. 9, p. 1075, doi. 10.1177/09612033231186113

By:

Minhas, Deeba;
Marder, Wendy;
Hassett, Afton L;
Zick, Suzanna M;
Gordon, Caroline;
Harlow, Sioban D;
Wang, Lu;
Barbour, Kamil E;
Helmick, Charles G;
McCune, W Joseph;
Somers, Emily C

Publication type:

Article

State-Specific Prevalence of Inactivity, Self-Rated Health Status, and Severe Joint Pain Among Adults With Arthritis - United States, 2019.

Published in:

2022

By:

Duca, Lindsey M.;
Helmick, Charles G.;
Barbour, Kamil E.;
Murphy, Louise B.;
Guglielmo, Dana;
Odom, Erica L.;
Boring, Michael A.;
Croft, Janet B.

Publication type:

journal article

Evidence-Based Interventions for High Blood Pressure and Glycemic Control Among Illinois Health Systems.

Published in:

2020

By:

Price, Janae D.;
Jayaprakash, Manasi;
McKay, Cristina M.;
Amerson, Nancy L.;
Jimenez, Paula L.;
Barbour, Kamil E.;
Cunningham, Timothy J.

Publication type:

journal article

Measuring inflammatory marker levels to determine risk of bone loss and fractures in older women.

Published in:

Medical Laboratory Observer (MLO), 2013, v. 45, n. 4, p. 8

By:

Barbour, Kamil E.;
Cauley, Jane A.

Publication type:

Article

Arthritis Prevalence: Which Case Definition Should Be Used for Surveillance? Comment on the Article by Jafarzadeh and Felson.

Published in:

2019

By:

Murphy, Louise B.;
Sacks, Jeffrey J.;
Helmick, Charles G.;
Brady, Teresa J.;
Barbour, Kamil E.;
Hootman, Jennifer M.;
Boring, Michael A.;
Moss, Susan;
Guglielmo, Dana;
Theis, Kristina A.

Publication type:

Letter to the Editor

Lifetime Risk of Symptomatic Hand Osteoarthritis: The Johnston County Osteoarthritis Project.

Published in:

Arthritis & Rheumatology, 2017, v. 69, n. 6, p. 1204, doi. 10.1002/art.40097

By:

Qin, Jin;
Barbour, Kamil E.;
Murphy, Louise B.;
Nelson, Amanda E.;
Schwartz, Todd A.;
Helmick, Charles G.;
Allen, Kelli D.;
Renner, Jordan B.;
Baker, Nancy A.;
Jordan, Joanne M.

Publication type:

Article

Updated Projected Prevalence of Self-Reported Doctor-Diagnosed Arthritis and Arthritis-Attributable Activity Limitation Among US Adults, 2015-2040.

Published in:

Arthritis & Rheumatology, 2016, v. 68, n. 7, p. 1582, doi. 10.1002/art.39692

By:

Hootman, Jennifer M.;
Helmick, Charles G.;
Barbour, Kamil E.;
Theis, Kristina A.;
Boring, Michael A.

Publication type:

Article

Hip Osteoarthritis and the Risk of All-Cause and Disease-Specific Mortality in Older Women: A Population-Based Cohort Study.

Published in:

Arthritis & Rheumatology, 2015, v. 67, n. 7, p. 1798, doi. 10.1002/art.39113

By:

Barbour, Kamil E.;
Lui, Li‐Yung;
Nevitt, Michael C.;
Murphy, Louise B.;
Helmick, Charles G.;
Theis, Kristina A.;
Hochberg, Marc C.;
Lane, Nancy E.;
Hootman, Jennifer M.;
Cauley, Jane A.

Publication type:

Article

Prevalence of Self-Reported Hypertension and Antihypertensive Medication Use by County and Rural-Urban Classification - United States, 2017.

Published in:

2020

By:

Samanic, Claudine M.;
Barbour, Kamil E.;
Yong Liu;
Yan Wang;
Jing Fang;
Hua Lu;
Schieb, Linda;
Greenlund, Kurt J.;
Liu, Yong;
Wang, Yan;
Fang, Jing;
Lu, Hua

Publication type:

journal article

Prevalence of Self-Reported Hypertension and Antihypertensive Medication Use Among Adults - United States, 2017.

Published in:

MMWR: Morbidity & Mortality Weekly Report, 2020, v. 69, n. 14, p. 393, doi. 10.15585/mmwr.mm6914a1

By:

Samanic, Claudine M.;
Barbour, Kamil E.;
Yong Liu;
Jing Fang;
Hua Lu;
Schieb, Linda;
Greenlund, Kurt J.

Publication type:

Article

State-Specific Prevalence and Characteristics of Frequent Mental Distress and History of Depression Diagnosis Among Adults with Arthritis -- United States, 2017.

Published in:

MMWR: Morbidity & Mortality Weekly Report, 2020, v. 68, n. 51/52, p. 1173, doi. 10.15585/mmwr.mm685152a1

By:

Price, Janae D.;
Barbour, Kamil E.;
Yong Liu;
Hua Lu;
Amerson, Nancy L.;
Murphy, Louise B.;
Helmick, Charles G.;
Calanan, Renee M.;
Sandoval-Rosario, Michelle;
Greenlund, Kurt J.;
Thomas, Craig W.;
Samanic, Claudine M.

Publication type:

Article

Prescription Opioid Use in Patients With and Without Systemic Lupus Erythematosus - Michigan Lupus Epidemiology and Surveillance Program, 2014-2015.

Published in:

2019

By:

Somers, Emily C.;
Lee, Jiha;
Hassett, Afton L.;
Zick, Suzanna M.;
Harlow, Siobán D.;
Helmick, Charles G.;
Barbour, Kamil E.;
Gordon, Caroline;
Brummett, Chad M.;
Minhas, Deeba;
Padda, Amrita;
Lu Wang;
McCune, W. Joseph;
Marder, Wendy;
Wang, Lu

Publication type:

journal article

Health Disparities Among American Indians/Alaska Natives - Arizona, 2017.

Published in:

2018

By:

Adakai, Monique;
Aseret-Manygoats, Teresa;
Allison, Michael;
Sandoval-Rosario, Michelle;
Fang Xu;
Greenlund, Kurt J.;
Barbour, Kamil E.;
Xu, Fang

Publication type:

journal article

Prevalence of Arthritis Among Adults with Prediabetes and Arthritis-Specific Barriers to Important Interventions for Prediabetes - United States, 2009-2016.

Published in:

2018

By:

Sandoval-Rosario, Michelle;
Nayeri, Babak Michael;
Rascon, Addey;
Boring, Michael;
Aseret-Manygoats, Teresa;
Helmick, Charles G.;
Murphy, Louise B.;
Hootman, Jennifer M.;
Imperatore, Giuseppina;
Barbour, Kamil E.;
NMD

Publication type:

journal article

Symptoms of Anxiety and Depression Among Adults with Arthritis - United States, 2015-2017.

Published in:

2018

By:

Guglielmo, Dana;
Hootman, Jennifer M.;
Boring, Michael A.;
Murphy, Louise B.;
Theis, Kristina A.;
Croft, Janet B.;
Barbour, Kamil E.;
Katz, Patricia P.;
Helmick, Charles G.

Publication type:

journal article

Health Care Provider Counseling for Weight Loss Among Adults with Arthritis and Overweight or Obesity - United States, 2002-2014.

Published in:

2018

By:

Guglielmo, Dana;
Hootman, Jennifer M.;
Murphy, Louise B.;
Boring, Michael A.;
Theis, Kristina A.;
Belay, Brook;
Barbour, Kamil E.;
Cisternas, Miriam G.;
Helmick, Charles G.

Publication type:

Abstract

Health Care Provider Counseling for Physical Activity or Exercise Among Adults with Arthritis - United States, 2002 and 2014.

Published in:

2018

By:

Hootman, Jennifer M.;
Murphy, Louise B.;
Omura, John D.;
Brady, Teresa J.;
Boring, Michael;
Barbour, Kamil E.;
Helmick, Charles G.

Publication type:

journal article

Prevalence of Arthritis and Arthritis-Attributable Activity Limitation by Urban-Rural County Classification - United States, 2015.

Published in:

2017

By:

Boring, Michael A.;
Hootman, Jennifer M.;
Yong Liu;
Theis, Kristina A.;
Murphy, Louise B.;
Barbour, Kamil E.;
Helmick, Charles G.;
Brady, Terry J.;
Croft, Janet B.;
Liu, Yong

Publication type:

journal article

Vital Signs: Prevalence of Doctor-Diagnosed Arthritis and Arthritis-Attributable Activity Limitation - United States, 2013-2015.

Published in:

2017

By:

Barbour, Kamil E.;
Helmick, Charles G.;
Boring, Michael;
Brady, Teresa J.

Publication type:

journal article

Prevalence of Severe Joint Pain Among Adults with Doctor-Diagnosed Arthritis - United States, 2002-2014.

Published in:

2016

By:

Barbour, Kamil E.;
Boring, Michael;
Helmick, Charles G.;
Murphy, Louise B.;
Jin Qin;
Qin, Jin

Publication type:

journal article

Prevalence of Doctor-Diagnosed Arthritis at State and County Levels - United States, 2014.

Published in:

2016

By:

Barbour, Kamil E.;
Helmick, Charles G.;
Boring, Michael;
Xingyou Zhang;
Hua Lu;
Holt, James B.;
Zhang, Xingyou;
Lu, Hua

Publication type:

journal article

Impact of arthritis and multiple chronic conditions on selected life domains - United States, 2013.

Published in:

2015

By:

Qin, Jin;
Theis, Kristina A;
Barbour, Kamil E;
Helmick, Charles G;
Baker, Nancy A;
Brady, Teresa J;
Centers for Disease Control and Prevention (CDC)

Publication type:

journal article

Impact of Arthritis and Multiple Chronic Conditions on Selected Life Domains -- United States, 2013.

Published in:

MMWR: Morbidity & Mortality Weekly Report, 2015, v. 64, n. 21, p. 578

By:

Jin Qin;
Theis, Kristina A.;
Barbour, Kamil E.;
Helmick, Charles G.;
Baker, Nancy A.;
Brady, Teresa J.

Publication type:

Article

Arthritis among veterans - United States, 2011-2013.

Published in:

2014

By:

Murphy, Louise B;
Helmick, Charles G;
Allen, Kelli D;
Theis, Kristina A;
Baker, Nancy A;
Murray, Glen R;
Qin, Jin;
Hootman, Jennifer M;
Brady, Teresa J;
Barbour, Kamil E;
Centers for Disease Control and Prevention (CDC)

Publication type:

journal article

Arthritis Among Veterans -- United States, 2011-2013.

Published in:

MMWR: Morbidity & Mortality Weekly Report, 2014, v. 63, n. 44, p. 999

By:

Murphy, Louise B.;
Helmick, Charles G.;
Allen, Kelli D.;
Theis, Kristina A.;
Baker, Nancy A.;
Murray, Glen R.;
Qin, Jin;
Hootman, Jennifer M.;
Brady, Teresa J.;
Barbour, Kamil E.

Publication type:

Article

State-Specific Prevalence of No Leisure-Time Physical Activity Among Adults With and Without Doctor-Diagnosed Arthritis--United States, 2009.

Published in:

JAMA: Journal of the American Medical Association, 2012, v. 307, n. 5, p. 447

By:

Hootman, Jennifer M.;
Watson, Kathleen B.;
Harris, Carmen;
Barbour, Kamil E.

Publication type:

Article

Trends and Outcomes of Hip Fracture Hospitalization Among Medicare Beneficiaries with Inflammatory Bowel Disease, 2000–2017.

Published in:

Digestive Diseases & Sciences, 2021, v. 66, n. 6, p. 1818, doi. 10.1007/s10620-020-06476-z

By:

Xu, Fang;
Wheaton, Anne G.;
Barbour, Kamil E.;
Liu, Yong;
Greenlund, Kurt J.

Publication type:

Article

TNF Receptors Predict Hip Fracture Risk in the WHI Study and Fatty Acid Intake Does Not Modify This Association.

Published in:

2015

By:

Ing, Steven W;
Orchard, Tonya S;
Lu, Bo;
LaMonte, Michael J;
Barbour, Kamil E;
Cauley, Jane A;
Jackson, Rebecca D

Publication type:

journal article

Serum fatty acid profiles in systemic lupus erythematosus and patient reported outcomes: The Michigan Lupus Epidemiology & Surveillance (MILES) Program.

Published in:

Frontiers in Immunology, 2025, p. 1, doi. 10.3389/fimmu.2024.1459297

By:

Gilley, Kristen N.;
Fenton, Jenifer I.;
Zick, Suzanna M.;
Li, Kexin;
Wang, Lu;
Marder, Wendy;
McCune, W. Joseph;
Jain, Raghav;
Herndon-Fenton, Sidney;
Hassett, Afton L.;
Barbour, Kamil E.;
Pestka, James J.;
Somers, Emily C.

Publication type:

Article

Physical Activity Among Adults With Arthritis [Letter].

Published in:

2014

By:

Theis, Kristina A.;
Helmick, Charles G.;
Hootman, Jennifer M.;
Barbour, Kamil E.

Publication type:

Letter

Physical activity among adults with arthritis.

Published in:

2014

By:

Theis, Kristina A;
Helmick, Charles G;
Hootman, Jennifer M;
Barbour, Kamil E

Publication type:

Letter

Prevalence of cardiovascular events in a population-based registry of patients with systemic lupus erythematosus.

Published in:

Arthritis Research & Therapy, 2024, v. 26, n. 1, p. 1, doi. 10.1186/s13075-024-03395-6

By:

Joyce, Daniel P.;
Berger, Jeffrey S.;
Guttmann, Allison;
Hasan, Ghadeer;
Buyon, Jill P.;
Belmont, H. Michael;
Salmon, Jane;
Askanase, Anca;
Bathon, Joan;
Geraldino-Pardilla, Laura;
Ali, Yousaf;
Ginzler, Ellen M.;
Putterman, Chaim;
Gordon, Caroline;
Helmick, Charles G.;
Barbour, Kamil E.;
Gold, Heather T.;
Parton, Hilary;
Izmirly, Peter M.

Publication type:

Article

Characteristics of Self‐Reported Sleep and the Risk of Falls and Fractures: The Women's Health Initiative (WHI).

Published in:

Journal of Bone & Mineral Research, 2019, v. 34, n. 3, p. 464, doi. 10.1002/jbmr.3619

By:

Cauley, Jane A;
Hovey, Kathleen M;
Stone, Katie L;
Andrews, Chris A;
Barbour, Kamil E;
Hale, Lauren;
Jackson, Rebecca D;
Johnson, Karen C;
LeBlanc, Erin S;
Li, Wenjun;
Zaslavsky, Oleg;
Ochs‐Balcom, Heather;
Wactawski‐Wende, Jean;
Crandall, Carolyn J

Publication type:

Article

Inflammatory Markers and the Risk of Hip and Vertebral Fractures in Men: the Osteoporotic Fractures in Men (MrOS).

Published in:

Journal of Bone & Mineral Research, 2016, v. 31, n. 12, p. 2129, doi. 10.1002/jbmr.2905

By:

Cauley, Jane A;
Barbour, Kamil E;
Harrison, Stephanie L;
Cloonan, Yona K;
Danielson, Michelle E;
Ensrud, Kristine E;
Fink, Howard A;
Orwoll, Eric S;
Boudreau, Robert

Publication type:

Article

Inflammatory Markers and Risk of Hip Fracture in Older White Women: The Study of Osteoporotic Fractures.

Published in:

Journal of Bone & Mineral Research, 2014, v. 29, n. 9, p. 2057, doi. 10.1002/jbmr.2245

By:

Barbour, Kamil E;
Cauley, Jane A;
Lui, Li-Yung;
Ensrud, Kristine E;
Hillier, Teresa A;
LeBlanc, Erin S;
Ing, Steven W;
Hochberg, Marc C

Publication type:

Article

Inflammatory markers and the risk of hip fracture: The women's health initiative.

Published in:

Journal of Bone & Mineral Research, 2012, v. 27, n. 5, p. 1167, doi. 10.1002/jbmr.1559

By:

Barbour, Kamil E;
Boudreau, Robert;
Danielson, Michelle E;
Youk, Ada O;
Wactawski-Wende, Jean;
Greep, Nancy C;
LaCroix, Andrea Z;
Jackson, Rebecca D;
Wallace, Robert B;
Bauer, Douglas C;
Allison, Matthew A;
Cauley, Jane A

Publication type:

Article

Calciotropic hormones and the risk of hip and nonspine fractures in older adults: The health ABC study.

Published in:

Journal of Bone & Mineral Research, 2012, v. 27, n. 5, p. 1177, doi. 10.1002/jbmr.1545

By:

Barbour, Kamil E;
Houston, Denise K;
Cummings, Steven R;
Boudreau, Robert;
Prasad, Tanushree;
Sheu, Yahtyng;
Bauer, Douglas C;
Tooze, Janet A;
Kritchevsky, Stephen B;
Tylavsky, Frances A;
Harris, Tamara B;
Cauley, Jane A

Publication type:

Article

Serum 25-hydroxyvitamin D and clinical fracture risk in a multiethnic cohort of women: The women's health initiative (WHI).

Published in:

Journal of Bone & Mineral Research, 2011, v. 26, n. 10, p. 2378, doi. 10.1002/jbmr.449

By:

Cauley, Jane A;
Danielson, Michelle E;
Boudreau, Robert;
Barbour, Kamil E;
Horwitz, Mara J;
Bauer, Douglas C;
Ensrud, Kristine E;
Manson, JoAnn E;
Wactawski-Wende, Jean;
Shikany, James M;
Jackson, Rebecca D

Publication type:

Article

Adipokines and the risk of fracture in older adults.

Published in:

Journal of Bone & Mineral Research, 2011, v. 26, n. 7, p. 1568, doi. 10.1002/jbmr.361

By:

Barbour, Kamil E.;
Zmuda, Joseph M.;
Boudreau, Robert;
Strotmeyer, Elsa S.;
Horwitz, Mara J.;
Evans, Rhobert W.;
Kanaya, Alka M.;
Harris, Tamara B.;
Bauer, Douglas C.;
Cauley, Jane A.

Publication type:

Article

Correlates of Trabecular and Cortical Volumetric Bone Mineral Density of the Radius and Tibia in Older Men: The Osteoporotic Fractures in Men Study.

Published in:

Journal of Bone & Mineral Research, 2010, v. 25, n. 5, p. 1017, doi. 10.1002/jbmr.6

By:

Barbour, Kamil E.;
Zmuda, Joseph M.;
Strotmeyer, Elsa S.;
Horwitz, Mara J.;
Boudreau, Robert;
Evans, Rhobert W.;
Ensrud, Kristine E.;
Petit, Moira A.;
Gordon, Christopher L.;
Cauley, Jane A.

Publication type:

Article

Prevalence of Frequent Mental Distress Among Illinois Adults With Chronic Conditions: Estimates From the Behavioral Risk Factor Surveillance System, 2011 to 2017.

Published in:

2020

By:

Price, Janae D.;
Amerson, Nancy L.;
Barbour, Kamil E.;
Emuze, Damilola V.

Publication type:

journal article

Self-Management Education Class Attendance and Health Care Provider Counseling for Physical Activity Among Adults with Arthritis - United States, 2019.

Published in:

2021

By:

Duca, Lindsey M.;
Helmick, Charles G.;
Barbour, Kamil E.;
Guglielmo, Dana;
Murphy, Louise B.;
Boring, Michael A.;
Theis, Kristina A.;
Odom, Erica L.;
Yong Liu;
Croft, Janet B.;
Liu, Yong

Publication type:

journal article

COVID-19 Vaccination Coverage Among Adults - United States, December 14, 2020-May 22, 2021.

Published in:

2021

By:

Diesel, Jill;
Sterrett, Natalie;
Dasgupta, Sharoda;
Kriss, Jennifer L.;
Barry, Vaughn;
Esschert, Kayla Vanden;
Whiteman, Ari;
Cadwell, Betsy L.;
Weller, Daniel;
Qualters, Judith R.;
Harris, LaTreace;
Bhatt, Achal;
Williams, Charnetta;
Fox, LeAnne M.;
Delman, Dana Meaney;
Black, Carla L.;
Barbour, Kamil E.;
Vanden Esschert, Kayla;
Meaney Delman, Dana

Publication type:

journal article

Patterns in COVID-19 Vaccination Coverage, by Social Vulnerability and Urbanicity - United States, December 14, 2020-May 1, 2021.

Published in:

2021

By:

Barry, Vaughn;
Dasgupta, Sharoda;
Weller, Daniel L.;
Kriss, Jennifer L.;
Cadwell, Betsy L.;
Rose, Charles;
Pingali, Cassandra;
Musial, Trieste;
Sharpe, J. Danielle;
Flores, Stephen A.;
Greenlund, Kurt J.;
Patel, Anita;
Stewart, Andrea;
Qualters, Judith R.;
Harris, LaTreace;
Barbour, Kamil E.;
Black, Carla L.

Publication type:

journal article