RT Journal Article
SR Electronic
T1 P<sup>4</sup> Update
JF The Journal of the American Board of Family Medicine
JO J Am Board Fam Med
FD American Board of Family Medicine
SP 173
OP 174
DO 10.3122/jabfm.2008.02.070272
VO 21
IS 2
YR 2008
UL http://www.jabfm.org/content/21/2/173.abstract
AB