Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
You can use this work for any purpose, as long as it is not primarily intended for or directed to commercial advantage or monetary compensation. You should also provide attribution to the original work, source and licence. Read more about this licence.
Credit
Medicine and culture : proceedings of a historical symposium organized jointly by the Wellcome Institute of the History of Medicine, London, and the Wenner-Gren Foundation for Anthropological Research, New York / edited by F.N.L. Poynter. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.