PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6248079-0 1980 The effect of the steroid muscle relaxant pipecurium bromide on the acetylcholinesterase activity of red blood cells in vitro. Steroids 18-25 acetylcholinesterase (Cartwright blood group) Homo sapiens 68-88