Clinical case conferences from the University of Pennsylvania School of Medicine. A 60-year-old white man with a 3-week history of intermittent, generalized abdominal pain and diarrhea期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Clinical case conferences from the University of Pennsylvania School of Medicine. A 60-year-old white man with a 3-week history of intermittent, generalized abdominal pain and diarrhea

Authors:	Maker George Katzka David A

Affiliation:	Division of Gastroenterology; Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA.

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