Chang, S. F., Liu, J. Y., Yang, B. T. C., Hwang, C., Hwang, C. Y., Day, C. H., & Wang, P. S. G. (1989). In Vivo and in Vitro Studies on the Release of Thyrotropin in Aging Rats. The Chinese Journal of Physiology, 32(1), 13-20. https://www.airitilibrary.com/Article/Detail?DocID=03044920-198906-32-1-13-20-a