Out of sight but not out of mind: how to search for unpublished clinical trial evidence.
Women's College Research Institute, University of Toronto, Toronto, Ontario, Canada. anwen.chan@utoronto.ca
An-Wen
AW
Chan
D003625:Data Collection / Q000379:methods; D006801:Humans; D016247:Information Storage and Retrieval; D020407:Internet; D010506:Periodicals as Topic / Q000706:statistics & numerical data*; D016032:Randomized Controlled Trials as Topic