在许多医院的注射室或病房里,护士同志们经常接触治疗肿瘤的药物,如环磷酰胺、丝裂霉素、长春新碱等。她们中不少同志没有意识到很多治疗肿瘤的药物在发挥疗效的同时,也会致癌,因此,这些药物对她们污染很历害。湖南省四年前曾对接触这些治疗肿瘤药物的护士们作过调查,发现她们体内的SCE(姐妹染色单体互换,反映致突变的指标之一)水 In the injection rooms or wards of many hospitals, nurse comrades often come into contact with drugs that treat tumors, such as cyclophosphamide, mitomycin, and vincristine. Many of their comrades did not realize that many medicines for treating tumors were also carcinogenic while exerting their curative effects. Therefore, these medicines are very harmful to their pollution. In Hunan Province, four nurses who had been exposed to these oncology drugs were investigated four years ago and found that their SCEs (sister chromatid exchanges, one of the mutagenic indicators) were