title: Daniel Hale Williams: innovative surgeon, educator, and hospital administrator.
mesh_terms: D001741:Black or African American; D006348:Cardiac Surgical Procedures / Q000266:history; D013502:General Surgery / Q000266:history*; D049672:History, 19th Century; D006739:Hospital Administration / Q000266:history*; D006801:Humans; D014481:United States