
																
																	Effect of geographical variation of Echis ocellatus, Naja nigricollis and Bitis arietans venoms on their neutralization by homologous and heterologous antivenoms
																
																
																
															Keywords: تنوع زهر; Echis ocellatus; Bitis arietans; Naja nigricollis; Venom variability; Antivenom;