Nigam, H CSrivastava, S C2009-05-282009-05-281981-06-01Nigam HC, Srivastava SC. Some events in cardiac cycle of the Indian bullfrog Rana tigerina (Daud). Indian Journal of Experimental Biology. 1981 Jun; 19(6): 588-90http://imsear.searo.who.int/handle/123456789/57796engAnimalsBlood PressureElectrocardiographyHeart --physiologyRanidaeSome events in cardiac cycle of the Indian bullfrog Rana tigerina (Daud).Journal Article