Pritsana Piyaphan. (1999) An investigation of the significance of endogenous prolactin in the regulation of calcium metabolism in young and nonmated mature wistar rats - a longitudinal study. Mahidol University,:ม.ป.ท.Pritsana Piyaphan. 1999. An investigation of the significance of endogenous prolactin in the regulation of calcium metabolism in young and nonmated mature wistar rats - a longitudinal study. ม.ป.ท.:Mahidol University,;Pritsana Piyaphan. An investigation of the significance of endogenous prolactin in the regulation of calcium metabolism in young and nonmated mature wistar rats - a longitudinal study. ม.ป.ท.:Mahidol University, 1999. Print.