Dyfyniad APA

van Heel, D. A. (2004). Gastrointestinal and Liver Disease, 7th Edn Online. Pathophysiology/Diagnosis/Management. Copyright 2004 by Gut.

Dyfyniad Arddull Chicago

van Heel, D A. Gastrointestinal and Liver Disease, 7th Edn Online. Pathophysiology/Diagnosis/Management. Copyright 2004 by Gut, 2004.

Dyfyniad MLA

van Heel, D A. Gastrointestinal and Liver Disease, 7th Edn Online. Pathophysiology/Diagnosis/Management. Copyright 2004 by Gut, 2004.

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