Results 121 to 130 of about 169 (163)
Some of the next articles are maybe not open access.

Beyond Randomised Versus Observational Studies

Lancet, The, 2004
Ralph I Horwitz, John Concato
exaly  

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

PLoS Medicine, 2007
Jan Vandenbroucke   +2 more
exaly  

Method for observing a sample

2016
ALLIER CÉDRIC   +4 more
openaire   +2 more sources

Observational Studies

Springer Series in Statistics, 2002
Paul R. Rosenbaum
exaly  

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