APA

Greenstein A. J., Panvelliwalla D. K., Katz L. B., Heimann T. M., Donnelly J., Pertsimlidis D., Geller S., Smith H. & Aufses A. H. (19820624). Tissue carcinoembryonic antigen, dysplasia, and disease duration in colonic inflammatory bowel disease. : The American journal of gastroenterology.

Chicago

Greenstein A J, Panvelliwalla D K, Katz L B, Heimann T M, Donnelly J, Pertsimlidis D, Geller S, Smith H and Aufses A H. 19820624. Tissue carcinoembryonic antigen, dysplasia, and disease duration in colonic inflammatory bowel disease. : The American journal of gastroenterology.

Harvard

Greenstein A. J., Panvelliwalla D. K., Katz L. B., Heimann T. M., Donnelly J., Pertsimlidis D., Geller S., Smith H. and Aufses A. H. (19820624). Tissue carcinoembryonic antigen, dysplasia, and disease duration in colonic inflammatory bowel disease. : The American journal of gastroenterology.

MLA

Greenstein A J, Panvelliwalla D K, Katz L B, Heimann T M, Donnelly J, Pertsimlidis D, Geller S, Smith H and Aufses A H. Tissue carcinoembryonic antigen, dysplasia, and disease duration in colonic inflammatory bowel disease. : The American journal of gastroenterology. 19820624.