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.
CarlThiersch. Carl Thiersch deutscher Chirurg Carl Thiersch German surgeon nlm nih gov search Search Images from the History of Medicine NLM Author The National Library of Medicine believes this item to be in the public domain PDold Carl Thiersch
Page 2023 Free-images.com. All images are Public Domain