The Charles R. Drew Papers. Profiles in Science. [S.l.]: National Library of Medicine. Consultado em 17 de setembro de 2013 Other sources put the date as late as 1943, e.g., PBS's Red Gold
The Charles R. Drew Papers. Profiles in Science. [S.l.]: National Library of Medicine. Consultado em 17 de setembro de 2013 Other sources put the date as late as 1943, e.g., PBS's Red Gold