PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7588425-6 1995 Our findings show that opiate antagonists and their quaternary ammonium salts affect secretion of PRL through mechanism susceptible to the influence of melatonin. quaternary ammonium salts 52-77 prolactin Rattus norvegicus 98-101 8778169-8 1996 Our findings show that opiate antagonists and their quaternary ammonium salts affect secretion of LH and PRL through different mechanisms susceptible to the influence of melatonin. quaternary ammonium salts 52-77 prolactin Rattus norvegicus 105-108