In:
Annals of Internal Medicine, American College of Physicians, Vol. 117, No. 1 ( 1992-07-01), p. 50-52
Type of Medium:
Online Resource
ISSN:
0003-4819
,
1539-3704
DOI:
10.7326/0003-4819-117-1-50
Language:
English
Publisher:
American College of Physicians
Publication Date:
1992
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