TY - RPRT TI - A decrease in opioid tone amplifies the luteinizing hormone surge in estrogen-treated ovariectomized rats: comparisons with progesterone effects. AU - C Masotto AU - A Sahu AU - M G Dube AU - S P Kalra PY - 1990 DO - 10.1210/endo-126-1-18 UR - https://pubmed.ncbi.nlm.nih.gov/2293982/ ID - 2293982 ER -