Colon, Rectum and Anus: Anatomic, Physiologic and Diagnostic Bases for Disease Management [electronic resource] / edited by Carlo Ratto, Angelo Parello, Lorenza Donisi, Francesco Litta..    Springer eBooks.  Cham : Springer International Publishing : Imprint: Springer, 2017. . 181 illus., 108 illus. in color. eReference.
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