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Primary gastric choriocarcinoma developed in a Helicobacter pylori‐negative patient |
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| Authors: | Taro Iwatsubo Noriya Uedo Kazunobu Ishibashi |
| Affiliation: | 1. Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan;2. Ishibashi Clinic, Osaka, Japan |
| Abstract: | |
| Keywords: | |