title: Comparative studies on venoms of the fer-de-lance (Bothrops atrox), carpet viper (Echis carinatus) and spitting cobra (Naja nigricollis) snakes at different ages.
mesh_terms: D000375:Aging; D000818:Animals; D003435:Crotalid Venoms / Q000032:analysis* / Q000633:toxicity; D004546:Elapid Venoms / Q000032:analysis* / Q000633:toxicity; D066298:In Vitro Techniques; D007313:Insecta; D007928:Lethal Dose 50; D051379:Mice; D011506:Proteins; D014757:Viper Venoms / Q000032:analysis* / Q000633:toxicity
chemical_list: D003435:Crotalid Venoms; D004546:Elapid Venoms; D011506:Proteins; D014757:Viper Venoms