effects of a dermal dose of s , s , s , -tri-n-butyl phosphorotrithioate on brain acetylcholinesterase , acid phosphatase , and 2',3'-cyclic nucleotide-3 ' phosphohydrolase and plasma butyrylcholinesterase in hens .
C0001044
acetylcholinesterase
C0008429
butyrylcholinesterase