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JAMA [JAMA] 2001 Feb 07; Vol. 285 (5), pp. 545-50.Publisher: American Medical Association Country of Publication: United States NLM ID: 7501160 Publication Model: Print Cited Medium: Print ISSN:
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JAMA [JAMA] 1993 Feb 17; Vol. 269 (7), pp. 843.Publisher: American Medical Association Country of Publication: United States NLM ID: 7501160 Publication Model: Print Cited Medium: Print ISSN:
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JAMA [JAMA] 1991 Nov 20; Vol. 266 (19), pp. 2668, 2673.Publisher: American Medical Association Country of Publication: United States NLM ID: 7501160 Publication Model: Print Cited Medium: Print ISSN: