NADRAGA, M.S.; TURCHAK, O.V. Ukrainian Ophthalmology in Names: Dr. Mykhailo Kos (1863-1930). Ukrainian Journal of Ophthalmology , Odesa, Ukraine, n. 4, p. 82–85, 2025. DOI: 10.31288/oftalmolzh201948285. Disponível em: https://ua.ozhurnal.com/index.php/files/article/view/668. Acesso em: 14 dec. 2025.