title: Diagnostic value of peroral biopsy of the proximal small intestine.
mesh_terms: D000012:Abetalipoproteinemia / Q000175:diagnosis / Q000473:pathology; D000361:Agammaglobulinemia / Q000175:diagnosis / Q000473:pathology; D001706:Biopsy; D002446:Celiac Disease / Q000175:diagnosis / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis* / Q000473:pathology; D007414:Intestinal Neoplasms / Q000175:diagnosis / Q000473:pathology; D007421:Intestine, Small / Q000473:pathology*; D008223:Lymphoma / Q000175:diagnosis / Q000473:pathology; D008286:Malabsorption Syndromes / Q000175:diagnosis / Q000473:pathology; D008722:Methods; D011504:Protein-Losing Enteropathies / Q000175:diagnosis / Q000473:pathology; D008061:Whipple Disease / Q000175:diagnosis / Q000473:pathology