Ratnapala, RAloysius, D JRanasinghe, L2009-05-282009-05-281983-09-01Ratnapala R, Aloysius DJ, Ranasinghe L. Deadly venomous land snakes of Sri Lanka. The Ceylon Medical Journal. 1983 Sep; 28(3): 112-7http://imsear.searo.who.int/handle/123456789/47690The Ceylon Medical Journal.engAnimalsCobra VenomsElapid VenomsHumansSnake Bites --classificationSnakes --anatomy & histologySri LankaViper VenomsJournal Article