title: Human blood cholinesterase activity--Holland Marsh, Ontario, 1976.
mesh_terms: D000110:Acetylcholinesterase / Q000097:blood; D000328:Adult; D002091:Butyrylcholinesterase / Q000097:blood; D002648:Child; D002802:Cholinesterases / Q000097:blood*; D004912:Erythrocytes / Q000201:enzymology; D006801:Humans; D009864:Ontario; D012621:Seasons
chemical_list: D000110:Acetylcholinesterase; D002091:Butyrylcholinesterase; D002802:Cholinesterases