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Annals of internal medicine [Ann Intern Med] 1986 Oct; Vol. 105 (4), pp. 546-7.Publisher: American College of Physicians--American Society of Internal Medicine Country of Publication: United States NLM ID: 0372351 Publication Model: Print
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Gut [Gut] 1984 Mar; Vol. 25 (3), pp. 321.Publisher: British Medical Assn Country of Publication: England NLM ID: 2985108R Publication Model: Print Cited Medium: Print ISSN: 0017-5749
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American journal of epidemiology [Am J Epidemiol] 1988 Jun; Vol. 127 (6), pp. 1250-60.Publisher: Oxford University Press Country of Publication: United States NLM ID: 7910653 Publication Model: Print Cited Medium: Print ISSN:
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JAMA [JAMA] 1986 Sep 12; Vol. 256 (10), pp. 1329-31.Publisher: American Medical Association Country of Publication: United States NLM ID: 7501160 Publication Model: Print Cited Medium: Print ISSN:
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Archives of pathology & laboratory medicine [Arch Pathol Lab Med] 1985 May; Vol. 109 (5), pp. 395-7.Publisher: College of American Pathologists Country of Publication: United States NLM ID: 7607091 Publication Model: Print Cited Medium: Print ISSN:
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British medical journal (Clinical research ed.) [Br Med J (Clin Res Ed)] 1984 Nov 24; Vol. 289 (6456), pp. 1422-3.Publisher: British Medical Association Country of Publication: England NLM ID: 8302911 Publication Model: Print Cited Medium: Print ISSN:
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JAMA [JAMA] 1984 Nov 16; Vol. 252 (19), pp. 2746-8.Publisher: American Medical Association Country of Publication: United States NLM ID: 7501160 Publication Model: Print Cited Medium: Print ISSN:
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Gut [Gut] 1985 Feb; Vol. 26 (2), pp. 212-4.Publisher: British Medical Assn Country of Publication: England NLM ID: 2985108R Publication Model: Print Cited Medium: Print ISSN: 0017-5749
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Progress in clinical and biological research [Prog Clin Biol Res] 1987; Vol. 234, pp. 167-79.Publisher: Wiley-Liss Country of Publication: United States NLM ID: 7605701 Publication Model: Print Cited Medium: Print ISSN: 0361-7742 (Print)