Results 191 to 200 of about 793,803 (212)

Observation Methods

2017
Malgorzata Ciesielska, Katarzyna W. Boström, Magnus Öhlander   +2 more
openaire   +1 more source

Body-mass index and incidence of cancer: a systematic review and meta-analysis of prospective observational studies

Lancet, The, 2008
Matthias Egger, Marcel Zwahlen
exaly  

Observational Methods

2009
openaire   +1 more source

Reliable assessment of the effects of treatment on mortality and major morbidity, II: observational studies

Lancet, The, 2001
exaly  

Contribution of influenza and respiratory syncytial virus to community cases of influenza-like illness: an observational study

Lancet, The, 2001
exaly  

Observed-Score Methods

2021
openaire   +1 more source

Bias and causal associations in observational research

Lancet, The, 2002
exaly  

Sequential Observational Methods.

2006
Roger Bakeman, Augusto Gnisci
openaire   +1 more source

Observational methods: Overview.

2019
Kristin M. Lindahl, Neena M. Malik, Sara Wigderson   +2 more
openaire   +1 more source

A Comparison of Observational Studies and Randomized, Controlled Trials

New England Journal of Medicine, 2000
exaly