RT Journal Article
SR Electronic
T1 Haynes RB, Sackett DL, Guyatt GH, et al. Clinical epidemiology: how to do clinical practice research. 3rd edition. Philadelphia, PA: Lippincott Williams & Wilkins, 2006.
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 124
OP 125
DO 10.1136/ebm.11.4.124
VO 11
IS 4
A1 Carl Heneghan
YR 2006
UL http://ebm.bmj.com/content/11/4/124.abstract
AB