title: Agkistrodon halys bite treated with specific antivenin. Observation of 530 cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000997:Antivenins / Q000627:therapeutic use*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012909:Snake Bites / Q000188:drug therapy*
chemical_list: D000997:Antivenins