Lee, R., photographer. (1941) Doctors scrubbing up before operation. Negro hospital, Chicago, Illinois. United States Cook County Illinois Chicago, 1941. Apr. [Photograph] Retrieved from the Library of Congress, https://www.loc.gov/item/2017788854/.
The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. On the NCBI site, you can find the following information: