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An unusual cause of rectal bleeding |
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| Authors: | Kaiser A M Spanos C |
| Affiliation: | Department of Colorectal Surgery, Keck School of Medicine, University of Southern California, 1441 Eastlake Avenue, Suite 7418, Los Angeles, CA 90033, USA. |
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| 本文献已被 PubMed 等数据库收录！ | |