[150th anniversary of Karl Wilhelm von Zehender (1819-1916)].
D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history; D010506:Periodicals as Topic / Q000266:history; D013557:Switzerland
Karl Wilhelm von Zehender zum 150. Geburtstag (1819-1916)