A Random Contrast Study: the Influence of Cervical Injection or Paracervical Block with Lidocaine on Pain Relief during Suction Evacuation for Early Pregnancy Termination是什么意思_A Random Contrast Study: the Influence of Cervical Injection or Paracervical Block with Lidocaine on Pain Relief during Suction Evacuation for Early Pregnancy Termination在线翻译_英语_读音_用法_例句