Cita APA (7a ed.)

-. The American journal of Digestive Diseases Volume 9 January, 1942. William R. Warner & Company,INC.

Cita Chicago Style (17a ed.)

-. The American Journal of Digestive Diseases Volume 9 January, 1942. William R. Warner & Company,INC.

Cita MLA (8a ed.)

-. The American Journal of Digestive Diseases Volume 9 January, 1942. William R. Warner & Company,INC.

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