title: Proceedings: Sheep and horse hydatids as nutritional (?) mutants of Echinococcus granulosus.
mesh_terms: D000818:Animals; D003470:Culture Media; D004446:Echinococcus / Q000378:metabolism*; D006736:Horses / Q000469:parasitology*; D009154:Mutation; D012756:Sheep / Q000469:parasitology*
chemical_list: D003470:Culture Media