[1] CHENG G J. Replacement treatment by nylestriol on postmenopausal women[J]. Chin J Obstet Gynecol(中华妇产科杂志), 1995,30(2):123-127. [2] ZHOU R R. Determination of estradiol in skin permeability by HPLC[J].Chin J Pharm Anal(药物分析杂志),1990,10(1):41-42. [3] USP XXⅢ[S]. 1995:623. [4] GONG S J. Determination of estradiol in estradiol TTS by HPLC[J]. Chin Pharm J(中国药学杂志),1991,26(5):287-289. [5] Ch.P(2005)VolⅡ(中国药典2005年版.二部)[S].2005:830.