Advertisement

Browse Subject Areas

?

Click through the PLOS taxonomy to find articles in your field.

For more information about PLOS Subject Areas, click here.

Observational studies

The External Validity of Randomized Controlled Trials of Hypertension within China: from the Perspective of Sample Representation

Xin Zhang, Yuxia Wu, Deying Kang, Jialiang Wang, Qi Hong, Le Peng

published 06 Dec 2013

Loading metrics information...

Metrics unavailable. Please check back later.

Transorbital Sonographic Evaluation of Normal Optic Nerve Sheath Diameter in Healthy Volunteers in Bangladesh

Rapeephan R. Maude, Md Amir Hossain, Mahtab Uddin Hassan, Sophie Osbourne, Katherine Langan Abu Sayeed, Mohammed Rezaul Karim, Rasheda Samad, Shyamanga Borooah, Bal Dhillon, Nicholas P. J. Day, Arjen M. Dondorp, Richard J. Maude

published 02 Dec 2013

Loading metrics information...

Metrics unavailable. Please check back later.

Publication Bias in Recent Meta-Analyses

Michal Kicinski

published 27 Nov 2013

Loading metrics information...

Metrics unavailable. Please check back later.

Insulin Therapy and Risk of Prostate Cancer: a Systematic Review and Meta-Analysis of Observational Studies

Yan-bo Chen, Qi Chen, Zhong Wang, Juan Zhou

published 25 Nov 2013

Loading metrics information...

Metrics unavailable. Please check back later.

The Magnitude of Tobacco Smoking-Betel Quid Chewing-Alcohol Drinking Interaction Effect on Oral Cancer in South-East Asia. A Meta-Analysis of Observational Studies

Stefano Petti, Mohd Masood, Crispian Scully

published 18 Nov 2013

Loading metrics information...

Metrics unavailable. Please check back later.

The Risk of Metabolic Syndrome in Patients with Rheumatoid Arthritis: A Meta-Analysis of Observational Studies

Jianming Zhang, Lingyu Fu, Jingpu Shi, Xin Chen, Yongze Li, Bing Ma, Yao Zhang

published 25 Oct 2013

Loading metrics information...

Metrics unavailable. Please check back later.

Are Patient Views about Antibiotics Related to Clinician Perceptions, Management and Outcome? A Multi-Country Study in Outpatients with Acute Cough

Samuel Coenen, Nick Francis, Mark Kelly, Kerenza Hood, Jacqui Nuttall, Paul Little, Theo J. M. Verheij, Hasse Melbye, Herman Goossens, Christopher C. Butler, on behalf of the GRACE Project Group

published 23 Oct 2013

Loading metrics information...

Metrics unavailable. Please check back later.

Informing Potential Participants about Research: Observational Study with an Embedded Randomized Controlled Trial

Helen M. Kirkby, Melanie Calvert, Richard J. McManus, Heather Draper

published 03 Oct 2013

Loading metrics information...

Metrics unavailable. Please check back later.

Adverse Events Related to Emergency Department Care: A Systematic Review

Antonia S. Stang, Aireen S. Wingert, Lisa Hartling, Amy C. Plint

published 12 Sep 2013

Loading metrics information...

Metrics unavailable. Please check back later.

Free HIV Antiretroviral Therapy Enhances Adherence among Individuals on Stable Treatment: Implications for Potential Shortfalls in Free Antiretroviral Therapy

Jayne Byakika-Tusiime, Eric C. Polley, Jessica H. Oyugi, David R. Bangsberg

published 05 Sep 2013

Loading metrics information...

Metrics unavailable. Please check back later.

Prevention of Chronic Kidney Disease and Subsequent Effect on Mortality: A Systematic Review and Meta-Analysis

Usman A. Khan, Amit X. Garg, Chirag R. Parikh, Steven G. Coca

published 29 Aug 2013

Loading metrics information...

Metrics unavailable. Please check back later.

Impact of STROBE Statement Publication on Quality of Observational Study Reporting: Interrupted Time Series versus Before-After Analysis

Sylvie Bastuji-Garin, Emilie Sbidian, Caroline Gaudy-Marqueste, Emilie Ferrat, Jean-Claude Roujeau, Marie-Aleth Richard, Florence Canoui-Poitrine, on behalf of the European Dermatology Network (EDEN)

published 26 Aug 2013

Loading metrics information...

Metrics unavailable. Please check back later.

Representation of Women and Pregnant Women in HIV Research: A Limited Systematic Review

Daniel Westreich, Molly Rosenberg, Sheree Schwartz, Geeta Swamy

published 23 Aug 2013

Loading metrics information...

Metrics unavailable. Please check back later.

Advertisement

Create a weekly email alert for: Observational studies

You can change these options by clicking profile then "Alerts and Notifications"