title: From $1 a pound to $1 a grain-coca leaf to cocaine in 1885.
mesh_terms: D000779:Anesthetics, Local / Q000191:economics / Q000266:history*; D003041:Coca; D003042:Cocaine / Q000191:economics / Q000266:history*; D049672:History, 19th Century
chemical_list: D000779:Anesthetics, Local; D003042:Cocaine