This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Billroth assistants portraits. en Billroth and his assistants Theodor Billroth im Kreise seiner Assistenten nlm nih gov BillrothsAssistentenvon qvq billrothlc NLMNLM mi trs author ca The National Library of Medicine believes this item to be in the public domain PDold Theodor Billroth Vincenz Czerny Julius Hochenegg ImageNote