Sud, N KChandra, H1977-06-012009-05-271977-06-012009-05-271977-06-01Sud NK, Chandra H. Effects of copper intravasal device on the fertility of rat. Indian Journal of Medical Research. 1977 Jun; 65(6): 812-6http://imsear.searo.who.int/handle/123456789/20099engAnimalsContraceptive Devices, MaleCopperFertilityForeign-Body Reaction --pathologyMaleRatsSpermatozoaVas Deferens --pathologyEffects of copper intravasal device on the fertility of rat.Journal Article