TY - GENERIC DO - 10.20944/preprints202308.0661.v1 UR - http://dx.doi.org/10.20944/preprints202308.0661.v1 TI - Cervical Pessary in Preterm Birth Prevention among Singleton Pregnant Women with a Short Cervix and Obtuse Uterocervical Angle: A Quasi-experimental Study T2 - Preprints AU - Nguyen, Thi Hoang Trang AU - Vu, Van Tam AU - Nguyen, Vu Quoc Huy PY - 2023 DA - 2023/08/08 PB - Preprints