Envenomations: snakes and spiders.
D000818:Animals; D000931:Antidotes / Q000627:therapeutic use; D001740:Black Widow Spider; D006801:Humans; D012909:Snake Bites / Q000628:therapy*; D001098:Spider Bites / Q000628:therapy*; D014757:Viper Venoms
D000931:Antidotes; D014757:Viper Venoms