PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1517375-10 1992 These observations suggest that C18 and C19 steroids may be important in the regulation of progesterone synthesis by the human placenta in early pregnancy. Progesterone 91-103 Bardet-Biedl syndrome 9 Homo sapiens 32-35