title: Helminth parasites of the prairie rattlesnake, Crotalus viridis Rafinesque, 1818, in Weld County, Colorado.
mesh_terms: D000818:Animals; D002590:Cestode Infections / Q000662:veterinary; D003120:Colorado; D007411:Intestinal Diseases, Parasitic / Q000662:veterinary*; D009349:Nematode Infections / Q000662:veterinary; D012911:Snakes; D013151:Spiruroidea / Q000302:isolation & purification