Selection bias resulting from the requirement for prior consent in observational research: a community cohort of people with ischaemic heart disease
Buckley, B., Murphy, A. W, Byrne, M., Glynn, L.Volume:
93
Language:
english
Journal:
Heart
DOI:
10.1136/hrt.2006.111591
Date:
September, 2007
File:
PDF, 276 KB
english, 2007