Complications of first-trimester abortion by vacuum aspiration after cervical preparation with and without misoprostol a multicentre randomised trial /

Meirik Olav, My Huong Nguyen Thi, Piaggio Gilda, Bergel Eduardo, von Hertzen Helena, WHO Research Group on Postovulatory Methods of Fertility Regulat, Bitó Tamás, Kovács László, Fekete Zoltán
2012