title: Haplosporidium tumefacientis sp. n., the etiologic agent of a disease of the California sea mussel, Mytilus californianus Conrad.
mesh_terms: D000818:Animals; D016782:Apicomplexa / Q000472:pathogenicity*; D066298:In Vitro Techniques; D008974:Mollusca; D011528:Protozoan Infections