[Memorable ophthalmologic dates for 1972].
D004739:England; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history*; D014586:USSR; D014481:United States
Pamiatnye oftal'mologicheskie daty 1972 g.