PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2906023-4 1988 At 24 hr following the last day of exposure to HCP, the activities of the three neuron specific enzymes, glutamic acid decarboxylase, tyrosine hydroxylase, and choline acetyltransferase, in rat brain were unchanged from those of the vehicle-treated control group. Hexachlorophene 47-50 tyrosine hydroxylase Rattus norvegicus 134-154