Epidemiological and clinical features of hump-nosed pit viper (Hypnale hypnale and Hypnale zara) envenoming in children. - Rathnayaka, R. M. M. K. Namal; Ranathunga, P. E. Anusha Nishanthi; Kularatne, S. A. M. (PLoS Neglected Tropical Diseases, 2022)