In:
Annals of Internal Medicine, American College of Physicians, Vol. 117, No. 12 ( 1992-12-15), p. 997-1002
Type of Medium:
Online Resource
ISSN:
0003-4819
,
1539-3704
DOI:
10.7326/0003-4819-117-12-997
Language:
English
Publisher:
American College of Physicians
Publication Date:
1992