[86th Meeting of the Rhine-Westphalia Ophthalmologists Association, Düsseldorf, April 27, 1952].
D006801:Humans; D009885:Ophthalmology; D010820:Physicians
OPHTHALMOLOGY
86. VERSAMMLUNG des Vereins Rhein.-Westf. Augenärzte am 27. April 1952 in Düsseldorf.