title: Ultrastructure of the metacercarial cyst of Posthodiplostomum minimum (Maccallum, 1921).
mesh_terms: D000818:Animals; D005393:Fish Diseases; D005399:Fishes; D005618:Fresh Water; D008854:Microscopy, Electron; D014200:Trematoda / Q000166:cytology* / Q000254:growth & development; D014201:Trematode Infections / Q000662:veterinary