Pathirana S, Wijayalath W, Cheesman S, Ranasinghe T, Rajakaruna J, Weerasinghe S,  Kapilananda G, Gamage K, Perera K, Handunnetti S, Carter R.. Strain specific protective immunity induced by infection with pre-erythrocytic stages of Plasmodium cynomolgi.in toque monkeys.  Proceedings of the University of Colombo research forum June 28-29, 2011.  PP3, Pg 238-239.