N Engl J Med. 2001 Oct 25;345(17):1276-7; author reply 1278-9.
Abstract:
No abstract available.
Is the placebo powerless? [Letter] N Engl J Med. 2001 Oct 25;345(17):1276-7; author reply 1278-9.
PMID:
U.S. National Library of Medicine Lister Hill National Center for Biomedical Communications