al, A. K. H. .. Introduction to medical science for clinical practice Unit X: Gastrointestinal system. Year Book Medical Publ.
Chicago-referens (17:e uppl.)al, Anderson Katherine H ...et. Introduction to Medical Science for Clinical Practice Unit X: Gastrointestinal System. Year Book Medical Publ.
MLA-referens (8:e uppl.)al, Anderson Katherine H ...et. Introduction to Medical Science for Clinical Practice Unit X: Gastrointestinal System. Year Book Medical Publ.
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