Sharma, J C2009-05-282009-05-281967-07-01Sharma JC. Effects of different concentrations of sodium, potassium & calcium on the rate of heart beat of madiera cockroach, leucophaea maderae fabr. Indian Journal of Experimental Biology. 1967 Jul; 5(3): 178-9http://imsear.searo.who.int/handle/123456789/61427engAnimalsAnuraFatigue --enzymologyMuscles --enzymologyOxidoreductases --metabolismEffects of different concentrations of sodium, potassium & calcium on the rate of heart beat of madiera cockroach, leucophaea maderae fabr.Journal Article