Factors that can affect the external validity of randomised controlled trials.
Rothwell, Peter M
Factors that can affect the external validity of randomised controlled trials. [electronic resource] - PLoS clinical trials May 2006 - e9 p. digital
Publication Type: Journal Article
1555-5887
10.1371/journal.pctr.0010009 doi
Factors that can affect the external validity of randomised controlled trials. [electronic resource] - PLoS clinical trials May 2006 - e9 p. digital
Publication Type: Journal Article
1555-5887
10.1371/journal.pctr.0010009 doi