title: The friendship and letters of Alfred Blalock and Tinsley Harrison.
authors: Medical Center of Central Georgia, 777 Hemlock Street, Hospital Box 140, Macon, GA 31201, USA.
authors: Martin L
authors: ML
authors: Dalton
mesh_terms: D015709:Correspondence as Topic / Q000266:history*; D033062:Friends; D013502:General Surgery / Q000266:history; D049673:History, 20th Century; D007388:Internal Medicine / Q000266:history