title: The absence of acetylcholinesterase in various blood preparations of rainbow trout, Salmo gairdneri.
mesh_terms: D000110:Acetylcholinesterase / Q000097:blood*; D000818:Animals; D004912:Erythrocytes / Q000201:enzymology; D006801:Humans; D066298:In Vitro Techniques; D012487:Salmonidae / Q000097:blood*; D014337:Trout / Q000097:blood*
chemical_list: D000110:Acetylcholinesterase