Results 171 to 180 of about 793,803 (212)

Observational Method

2019
openaire   +1 more source

Duration of resuscitation efforts and survival after in-hospital cardiac arrest: an observational study

Lancet, The, 2012
Paul S Chan, Colin R Cooke, Harlan M Krumholz   +2 more
exaly  

Observational Methods

2017
Susan M. Vener, Alison M. Wichnick-Gillis, Claire L. Poulson   +2 more
openaire   +2 more sources

observational method

2014
openaire   +1 more source

Observation Method

2004
openaire   +1 more source

Effect of aspirin on long-term risk of colorectal cancer: consistent evidence from randomised and observational studies

Lancet, The, 2007
Peter M Rothwell
exaly  

OBSERVATIONAL METHODS

2010
Walter Munk, Peter Worcester, Carl Wunsch   +2 more
openaire   +1 more source

Non-steroidal anti-inflammatory drugs and risk of serious coronary heart disease: an observational cohort study

Lancet, The, 2002
Wayne A Ray, C Michael Stein
exaly  

Observation method

2018
openaire   +1 more source

Systematic Observational Methods

2023
William D. Crano, Marilynn B. Brewer, Andrew Lac   +2 more
openaire   +1 more source