Não informado. (1934). American Journal of Digestive Diseases and Nutrition. American Gastro-Enterological Association.
Citace podle Chicago (17th ed.)Não informado. American Journal of Digestive Diseases and Nutrition. Fort Wayne, Ind: American Gastro-Enterological Association, 1934.
Citace podle MLA (8th ed.)Não informado. American Journal of Digestive Diseases and Nutrition. American Gastro-Enterological Association, 1934.
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