title: William S. Halsted and local anesthesia: contributions and complications.
mesh_terms: D000772:Anesthesia, Local / Q000266:history*; D003042:Cocaine / Q000266:history; D013502:General Surgery / Q000266:history; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008396:Maryland; D019966:Substance-Related Disorders / Q000266:history; D014481:United States
chemical_list: D003042:Cocaine