title: [30th volume of Ceskoslovenská oftalmologie].
mesh_terms: D003604:Czechoslovakia; D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history*; D010506:Periodicals as Topic / Q000266:history*
vernacular_title: Casopis Ceskoslovenská oftalmologie zacíná svůj tricátý rocník