Objective To analyse the ultrasonography and Doppler spectra features of the copper intrauterine device holders under estradiol transepidermal pasters, and to assess the effectiveness of estradiol in prevention and treatment of bleeding using ultrasound. 目的分析含铜宫内节育器带器者应用雌二醇(E2)皮贴片后子宫超声声像图及血流频谱特征,探讨超声在评价其防治出血疗效中的价值。
Medical pasters for oral ulcers: preparing and clinical application 口腔溃疡药贴的研制和临床应用