APA

Simpson N. A. B., . (20160824). Development and validation of a tool incorporating cervical length and quantitative fetal fibronectin to predict spontaneous preterm birth in asymptomatic high-risk women. K. Kuhrt , E. Smout, N. Hezelgrave, P. T. Seed, J. Carter and A. H. Shennan. Ultrasound Obstet Gynecol 2016; 47: 104-109. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Chicago

Simpson N A B, . 20160824. Development and validation of a tool incorporating cervical length and quantitative fetal fibronectin to predict spontaneous preterm birth in asymptomatic high-risk women. K. Kuhrt , E. Smout, N. Hezelgrave, P. T. Seed, J. Carter and A. H. Shennan. Ultrasound Obstet Gynecol 2016; 47: 104-109. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Harvard

Simpson N. A. B., . (20160824). Development and validation of a tool incorporating cervical length and quantitative fetal fibronectin to predict spontaneous preterm birth in asymptomatic high-risk women. K. Kuhrt , E. Smout, N. Hezelgrave, P. T. Seed, J. Carter and A. H. Shennan. Ultrasound Obstet Gynecol 2016; 47: 104-109. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

MLA

Simpson N A B, . Development and validation of a tool incorporating cervical length and quantitative fetal fibronectin to predict spontaneous preterm birth in asymptomatic high-risk women. K. Kuhrt , E. Smout, N. Hezelgrave, P. T. Seed, J. Carter and A. H. Shennan. Ultrasound Obstet Gynecol 2016; 47: 104-109. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. 20160824.