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Observational studies

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

Daniel Westreich, Molly Rosenberg, Sheree Schwartz, Geeta Swamy

Relationship between Longitudinal Continuity of Primary Care and Likelihood of Death: Analysis of National Insurance Data

Henri Leleu, Etienne Minvielle

Comparison of Pooled Risk Estimates for Adverse Effects from Different Observational Study Designs: Methodological Overview

Su Golder, Yoon K. Loke, Martin Bland

Periodontal Disease and Risk of Preeclampsia: A Meta-Analysis of Observational Studies

Ben-Juan Wei, Yi-Jun Chen, Li Yu, Bin Wu

Endothelium Dependent Vasomotion and In Vitro Markers of Endothelial Repair in Patients with Severe Sepsis: An Observational Study

Sabrina H. van Ierssel, Emeline M. Van Craenenbroeck, [ ... ], Philippe G. Jorens

Is Obstructive Sleep Apnea Associated with Cardiovascular and All-Cause Mortality?

Xiahui Ge, Fengfeng Han, [ ... ], Xuejun Guo

Outcomes for Efavirenz versus Nevirapine-Containing Regimens for Treatment of HIV-1 Infection: A Systematic Review and Meta-Analysis

Prinitha Pillay, Nathan Ford, Zara Shubber, Rashida A. Ferrand

Joint and Independent Effects of Alcohol Drinking and Tobacco Smoking on Oral Cancer: A Large Case-Control Study

José Leopoldo Ferreira Antunes, Tatiana Natasha Toporcov, [ ... ], Stefano Petti

Transarterial Chemoembolization in Combination with Local Therapies for Hepatocellular Carcinoma: A Meta-Analysis

Mingheng Liao, Jiwei Huang, Tao Zhang, Hong Wu

Why Even More Clinical Research Studies May Be False: Effect of Asymmetrical Handling of Clinically Unexpected Values

Matthew James Shun-Shin, Darrel P. Francis

β-Blockers and All-Cause Mortality in Adults with Episodes of Acute Bronchitis: An Observational Study

Frans H. Rutten, Rolf H. H. Groenwold, [ ... ], Arno W. Hoes

Do Conflict Resolution and Recovery Predict the Survival of Adolescents' Romantic Relationships?

Thao Ha, Geertjan Overbeek, Anna Lichtwarck-Aschoff, Rutger C. M. E. Engels

Symptoms and Subjective Quality of Life in Post-Traumatic Stress Disorder: A Longitudinal Study

Domenico Giacco, Aleksandra Matanov, Stefan Priebe

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