In:
Annals of Internal Medicine, American College of Physicians, Vol. 115, No. 6 ( 1991-09-15), p. 443-449
Type of Medium:
Online Resource
ISSN:
0003-4819
,
1539-3704
DOI:
10.7326/0003-4819-115-6-443
Language:
English
Publisher:
American College of Physicians
Publication Date:
1991
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