RT Journal Article
SR Electronic
T1 Association Not Causation: What Is the Intervention?
JF The Annals of Family Medicine
JO Ann Fam Med
FD American Academy of Family Physicians
SP 294
OP 297
DO 10.1370/afm.729
VO 5
IS 4
A1 Klein, Michael C.
YR 2007
UL http://www.annfammed.org/content/5/4/294.abstract
AB