PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2708123-1 1989 The direct peripheral effect of prolactin on LH-stimulated testosterone secretion was re-evaluated using the intact, isolated, perfused rat testis. Testosterone 59-71 prolactin Rattus norvegicus 32-41 2708123-6 1989 Prolactin inhibited LH-stimulated testosterone secretion at low doses (less than 300 ng), but augmented LH action at high doses (greater than 1000 ng). Testosterone 34-46 prolactin Rattus norvegicus 0-9