title: A note on the venom of an aged rattlesnake.
mesh_terms: D000375:Aging; D000818:Animals; D003435:Crotalid Venoms / Q000032:analysis / Q000633:toxicity*; D005779:Immunodiffusion; D007928:Lethal Dose 50; D051379:Mice
chemical_list: D003435:Crotalid Venoms