间苯三酚与利多卡因宫颈注射联合笑气吸入用于人工流产700例临床观察
간분삼분여리다잡인궁경주사연합소기흡입용우인공유산700례림상관찰
The clinical observation of injection of phloroglucinol and liduocaine into the cervical combined with nitrous oxide inhalation for 700 patients with induced abortion
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