title: [The application of hydrophilic polyurethane rod before vacuum aspiration].
mesh_terms: D000028:Abortion, Induced; D001208:Asia; D001695:Biology; D002584:Cervix Uteri; D002681:China; D003906:Developing Countries; D005193:Family Planning Services; D005202:Asia, Eastern; D005835:Genitalia; D005836:Genitalia, Female; D010827:Physiology; D012106:Research; D014566:Urogenital System; D014599:Uterus
keywords: Abortion, Induced; Asia; Biology; Cervical Effects; Cervix; China; Clinical Research; Developing Countries; Eastern Asia; Family Planning; Fertility Control, Postconception; Genitalia; Genitalia, Female; Physiology; Research Methodology; Urogenital System; Uterus