PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6225302-0 1983 [Effect of 3-cyclopentyl propionate of megestrol acetate on uteroglobin secretion in early pregnant rabbits]. Megestrol Acetate 39-56 uteroglobin Oryctolagus cuniculus 60-71