RT Journal Article
SR Electronic
T1 Textbook of Family Practice. Fourth edition
JF The Journal of the American Board of Family
                Practice
JO J Am Board Fam Med
FD American Board of Family Medicine
SP 281
OP 282
DO 10.3122/jabfm.4.4.281b
VO 4
IS 4
A1 Pugno, Perry A.
YR 1991
UL http://www.jabfm.org/content/4/4/281.3.abstract
AB