title: Blastocystis hominis and blastocystosis (Zierdt-Garavelli disease).
authors.forename: Pietro Luigi
authors.initials: PL
authors.lastname: Garavelli
mesh_terms: D000818:Animals; D016776:Blastocystis Infections / Q000469:parasitology*; D016845:Blastocystis hominis; D006801:Humans