Results 261 to 270 of about 2,640,344 (346)

Factors associated with one-night stands among men who have sex with men recruited via the internet: a cross-sectional survey in China. [PDF]

open access: yesFront Public Health
Yang Z   +11 more
europepmc   +1 more source

Retractions in Rheumatology: Trends, Causes, and Implications for Research Integrity

open access: yesArthritis Care &Research, EarlyView.
Objective We aimed to describe the trends and main reasons for study retraction in rheumatology literature. Methods We reviewed the Retraction Watch database to identify retracted articles in rheumatology. We recorded the main study characteristics, authors’ countries, reasons for retraction, time from publication to retraction, and trends over time ...
Anna Maria Vettori, Michele Iudici
wiley   +1 more source

A systematic review and equity analysis of school-based violence prevention interventions evaluated in randomised controlled trials. [PDF]

open access: yesBMC Public Health
Eldred E   +8 more
europepmc   +1 more source

A failed human expansion out of Africa 100,000 years ago

open access: yes
Rose J   +15 more
europepmc   +1 more source

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