Zipper J, Cole L P, Goldsmith A, Wheeler R, Rivera M
Int J Gynaecol Obstet. 1980;18(4):275-9. doi: 10.1002/j.1879-3479.1980.tb00496.x.
The efficacy of transcervical insertions of quinacrine hydrochloride pellets to produce tubal occlusion has been evaluated in a study of 139 women in Santiago, Chile. At one year, the pregnancy rate was 3.1%, an acceptable rate for a nonsurgical method of female sterilization.