Engineer, A DMisra, J STandon, P1983-07-012009-05-271983-07-012009-05-271983-07-01Engineer AD, Misra JS, Tandon P. Copper loss & cytopathological changes associated with copper IUD use. Indian Journal of Medical Research. 1983 Jul; 78(): 42-8http://imsear.searo.who.int/handle/123456789/24561engAdultCopper --metabolismFemaleHumansIntrauterine Devices, Copper --adverse effectsMenorrhagia --etiologyParityTime FactorsUterine Cervical Dysplasia --etiologyUterine Cervical Erosion --etiologyUterine Cervicitis --etiologyComparative Study