Results 221 to 230 of about 1,004,406 (261)
Some of the next articles are maybe not open access.

Observational Studies

The American Statistician, 1996
Rob Lyerla, Paul R. Rosenbaum
openaire   +2 more sources

Observational Study Designs

Headache: The Journal of Head and Face Pain, 2019
Dana P, Turner, Timothy T, Houle
openaire   +2 more sources

Reporting observational studies

BJOG: An International Journal of Obstetrics & Gynaecology, 1989
openaire   +2 more sources

Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): Explanation and Elaboration

International Journal of Surgery, 2014
Jan Vandenbroucke   +2 more
exaly  

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