Title:
JAMA: The Journal of the American Medical Association
Publisher:
American Medical Association (AMA)
ISSN
(Print):
00987484
ISSN
(Electronic):
15383598
Publication date
(Print):
December
1993
Volume: 270
Issue: 24
Pages: 2957-2963
Article
DOI: 10.1001/jama.270.24.2957
SO-VID: a675cf00-11cf-4736-b9b2-ef0b4fba164a