机构:
Warwick Med Sch, Warwick Clin Trials Unit, Coventry CV4 7AL, W Midlands, EnglandUniv London, Barts & London Sch Med & Dent, Inst Hlth Sci Educ, London E1 2AD, England
Underwood, Martin
BRITISH JOURNAL OF GENERAL PRACTICE,
2009,
59
(560):
: 209
-
210