title: Field medicine at Antietam.
authors: J O
authors: JO
authors: Breeden
mesh_terms: D000671:Amputation, Surgical; D005392:First Aid; D049672:History, 19th Century; D006772:Hospitals, Military; D006801:Humans; D008396:Maryland; D008512:Medicine in the Arts; D008887:Military Medicine / Q000379:methods / Q000458:organization & administration; D010820:Physicians; D014187:Transportation of Patients; D014857:Warfare