[In memory of János Gáll, M. D. (1924-1988)].
D000462:Algeria; D001766:Blindness / Q000266:history / Q000517:prevention & control; D003906:Developing Countries; D049673:History, 20th Century; D006814:Hungary; D009885:Ophthalmology / Q000266:history
Dr. Gáll János emlékére (1924-1988).