Zhou Y

In order to study the risk factors associated with pelvic endometriosis, a case-control study was carried out from Mar. 1991 to Feb. 1993 in our gynecological ward. A total of 190 cases with endometriosis and 192 patients with non-endometri…

From February 1991 to January 1993, a total of 383 women of child-bearing age who were hospitalized in gynecologic ward were investigated for their painful symptoms, of whom 192 were found to be patients with endometriosis (endometriosis gr…