title: Ultrastructure of the ovarian follicles, oviducts and oocytes of Gyrocotyle urna (Neodermata: Gyrocotylidea).
authors.affiliation: Institute of Biology of Inland Waters, Russian Academy of Sciences, 152742 Borok, Yaroslavl Province, Russia. poddubny@ibiw.yaroslavl.ru
authors.forename: Larisa G
authors.initials: LG
authors.lastname: Poddubnaya
authors.forename: Roman
authors.initials: R
authors.lastname: Kuchta
authors.forename: Tomás
authors.initials: T
authors.lastname: Scholz
authors.forename: Willi E R
authors.initials: WE
authors.lastname: Xylander