PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11335865-8 2000 (3) The mean level of the serum prolactin in the group of patients without gynecomastia (n = 53) was significantly higher than that in the normal group (n = 35), but there was no significant difference in blood luteinizing hormone, follicle-stimulating hormone, testosterone (T), estradiol (E(2)) or T/E(2) ratio between the groups. Testosterone 262-274 prolactin Homo sapiens 32-41