子宫内膜异位症与经期骑自行车因素的调查吴若松指导于兰馥我们分别对云南省五种民族共２２７８人进行了子宫内膜异位症患病率的调查，着重对长期骑自行车上班与不骑自行车人群的患病率相比较，现总结如下：材料与方法１９９０年６月～１９９１年６月，对云南省人民医院医... Investigation of endometriosis and menstrual cycling factors Wu Wusong instructed Yu Lanfu We conducted a survey on the prevalence of endometriosis in 2278 people from five ethnic groups in Yunnan Province, focusing on long-term cycling to work Compared with the prevalence of non-cycling population, are summarized as follows: Materials and methods June 1990 to June 1991, the Yunnan Provincial People’s Hospital ...