Ultrastructural study of vitellogenesis of Aphallus tubarium (Rudolphi, 1819) Poche, 1926 (Digenea: Cryptogonimidae), An intestinal parasite of Dentex dentex (Pisces: Teleostei) - Greani, S.; Quilichini, Y.; Foata, J.; Marchand, B. (Journal of Parasitology, 2012)