PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6139159-0 1983 The effect of pre- and post-treatment with phenobarbital on the extent of gamma-glutamyl transpeptidase positive foci induced in rat liver by N-nitrosomorpholine. Phenobarbital 43-56 gamma-glutamyltransferase 1 Rattus norvegicus 74-103 6139159-3 1983 When given after the carcinogen treatment, phenobarbital enhanced the formation of gamma-GT-positive foci in liver compared with rats treated with NNM alone. Phenobarbital 43-56 gamma-glutamyltransferase 1 Rattus norvegicus 83-91