title: Life history studies of Microphallus opacus (Trematoda: Microphallidae).
mesh_terms: D000818:Animals; D003400:Astacoidea; D003470:Culture Media; D004463:Ecology; D007814:Larva / Q000254:growth & development; D008675:Metamorphosis, Biological; D008722:Methods; D009820:Ohio; D012908:Snails; D013696:Temperature; D013997:Time Factors; D014200:Trematoda / Q000033:anatomy & histology / Q000254:growth & development*
chemical_list: D003470:Culture Media