TY - JOUR T1 - The value of Sonographic measurement of cervical length and fetal fibronectin testing in predicting preterm delivery AU - Salar, Zeki AU - Şimşek, Mehmet AU - Erman Akar, Münire AU - Mendilcioğlu, İnanç Y1 - 2007 PY - 2007 DA - 2007 N1 - doi: DO - T2 - Turkish Journal of Obstetrics and Gynecology JF - Turkish Journal of Obstetrics and Gynecology JO - J Turk Soc Obstet Gynecol SP - 37 EP - 42 VL - 4 IS - 1 SN - M3 - doi: UR - https://dx.doi.org/ Y2 - 2007 ER -