(Q35954212)
Statements
1 reference
Selection bias resulting from the requirement for prior consent in observational research: a community cohort of people with ischaemic heart disease (English)
1 reference
Andrew W Murphy
1 reference
13 May 2007
1 reference
1 reference
1116-1120
1 reference
1 reference
1 reference
Identifiers
1 reference
1 reference
1 reference