title: William Halsted, surgeon, pioneer in oral nerve block injection, and victim of drug experimentation.
mesh_terms: D000765:Anesthesia, Conduction / Q000266:history*; D000766:Anesthesia, Dental / Q000266:history*; D003042:Cocaine / Q000008:administration & dosage*; D049673:History, 20th Century; D006801:Humans; D008340:Mandibular Nerve; D019966:Substance-Related Disorders; D013515:Surgery, Oral
chemical_list: D003042:Cocaine