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为促进肿瘤、癌前病变诊疗水平的提高，１９９７年第３季度内将在桂林市召开中国中西医结合胃肠道肿瘤及癌前病变学术会议，现将有关事项通知如下。１．征文内容：①关于胃肠道肿瘤及癌前病变的流行病学社会调查；②关于胃肠道肿瘤及癌前病变的病因病机研究及防治措施；③关于
To promote the improvement of the diagnosis and treatment of tumors and precancerous lesions, the Chinese Society of Integrated Traditional and Western Medicine Gastrointestinal Tract Oncology and Precancerous Lesions will be held in Guilin in the third quarter of 1997. The relevant issues are hereby notified as follows. 1. Contents of the essay: 1 Epidemiological survey of gastrointestinal cancer and precancerous lesions; 2 Research on etiology and pathogenesis of gastrointestinal cancers and precancerous lesions; 3