PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7200868-10 1982 Since a complex relationship is apparent between alterations in dopaminergic receptor number and plasma PRL levels, we postulate that these receptors may be regulated by dopamine, ovarian steroids, and/or PRL itself. Steroids 188-196 prolactin Rattus norvegicus 104-107