title: Leaves and needles: the introduction of surgical local anesthesia.
mesh_terms: D000772:Anesthesia, Local / Q000266:history*; D000775:Anesthesia, Spinal / Q000266:history; D000818:Animals; D001317:Austria; D003041:Coca; D003042:Cocaine / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009407:Nerve Block / Q000266:history; D009518:New York; D013508:Ophthalmologic Surgical Procedures; D010946:Plants, Medicinal
chemical_list: D003042:Cocaine