Ozer, A., Kornyychuk, Y., Ozturk, T. & Yurakhno, V. (2016) Levels of infection and seasonal occurrence of Gyrodactylus alviga (Monogenea: Gyrodactylidae) on the whiting Merlangius merlangus off the Turkish and Russian coasts of the Black Sea. JOURNAL OF HELMINTHOLOGY , 90(3), 347-352.