PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6641225-4 1983 The same dose of oxytocin, administered to monkeys on Day 22 of menstrual cycles in which hCG was also given on Days 20-22, caused a small, but statistically significant, reduction in serum progesterone values. Progesterone 190-202 oxytocin/neurophysin I prepropeptide Homo sapiens 17-25