Since 1973 combinedprophylactic measures against esophageal cancer were carried out in Ci-Xian county, Hebei province, an area of high incidence of esophageal can- cer.
食管癌高发区磁县，自1973年以来采取综合性预防措施后，食管癌的发生与死亡率均有逐年下降趋势。
2
Methods From 1983 to 1994, 65 patients with SCLC were treated by surgery combined with postoperative chemotherapy, and 22 of them received prophylactic cranial irradiation.
方法搜集1983年至1994年采用手术加术后辅助化疗的小细胞肺癌65例，其中行脑预防照射22例。
3
Conclusion: the reduced myocardial mitochondrial tolerance in the rats inflicted with combined radiation-burn injury can be enhanced by the prophylactic or therapeutic administration of verapamil.