title: Hymenolepis megaloon (Linstow, 1901) parasitizing Citellus citellus L. in Czechoslovakia.
mesh_terms: D000818:Animals; D002589:Cestoda / Q000033:anatomy & histology; D006925:Hymenolepiasis / Q000453:epidemiology / Q000662:veterinary*; D012589:Sciuridae