PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6661467-2 1983 AChE activity was assayed by a radioenzymatic method involving the direct extraction of hydrolyzed 3H-acetate into a toluene-based scintillation fluid followed by liquid scintillation spectrometry. Toluene 117-124 acetylcholinesterase (Cartwright blood group) Homo sapiens 0-4