TY - RPRT TI - Characterization of the short day-induced decrease in median eminence tyrosine hydroxylase activity in the ewe: temporal relationship to the changes in luteinizing hormone and prolactin secretion and short day-like effect of melatonin. AU - C ViguiƩ AU - J Thibault AU - J C ThiƩry AU - Y Tillet AU - B Malpaux PY - 1997 DO - 10.1210/endo.138.1.4865 UR - https://pubmed.ncbi.nlm.nih.gov/8977440/ ID - 8977440 ER -