PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6698812-0 1984 Ultrastructural localization of acetylcholinesterase activity by means of the electron dense precipitate derived from Koelle"s cuprous thiocholine iodide by treatment with phosphomolybdic acid and osmium tetroxide. Osmium Tetroxide 197-213 acetylcholinesterase (Cartwright blood group) Homo sapiens 32-52