PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1707128-1 1990 Regulation of gonadotropin gene expression by sex steroids may occur via direct effects on the pituitary and/or indirect effects of steroids mediated through hypothalamic GnRH. Steroids 50-58 gonadotropin releasing hormone 1 Rattus norvegicus 171-175