Intestinal absorption of cholecalciferol and 25-hydroxycholecalciferol in patients with both Crohn's disease and intestinal resection von Leichtmann, GA, Bengoa, JM, Bolt, MJ, Sitrin, MD

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Colonoscopy in patients with large inguinal hernias von Leichtmann, G.A., Feingelrent, H., Pomeranz, I.S., Novis, B.H.

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Esophageal bezoar diagnosed and removed endoscopically von Leichtmann, G.A., Novis, B.H., Freund, J.

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