(Q37130442)
Statements
Different methods of balancing covariates leading to different effect estimates in the presence of effect modification (English)
Til Stürmer
Robert Glynn
Kimme Hyrich
Deborah P M Symmons
British Society for Rheumatology Biologics Register
British Society for Rheumatology Biologics Register Control Centre Consortium
19 January 2009
1 reference
1 reference