In:
Annals of Internal Medicine, American College of Physicians, Vol. 115, No. 9 ( 1991-11-01), p. 694-699
Type of Medium:
Online Resource
ISSN:
0003-4819
,
1539-3704
DOI:
10.7326/0003-4819-115-9-694
Language:
English
Publisher:
American College of Physicians
Publication Date:
1991