APA

Vayssière C., Favre R., Audibert F., Chauvet M. P., Gaucherand P., Tardif D., Grangé G., Novoa A., Descamps P., Perdu M., Andrini E., Janse-Marec J., Maillard F. & Nisand I. (20060206). Cervical assessment at 22 and 27 weeks for the prediction of spontaneous birth before 34 weeks in twin pregnancies: is transvaginal sonography more accurate than digital examination?. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Chicago

Vayssière C, Favre R, Audibert F, Chauvet M P, Gaucherand P, Tardif D, Grangé G, Novoa A, Descamps P, Perdu M, Andrini E, Janse-Marec J, Maillard F and Nisand I. 20060206. Cervical assessment at 22 and 27 weeks for the prediction of spontaneous birth before 34 weeks in twin pregnancies: is transvaginal sonography more accurate than digital examination?. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Harvard

Vayssière C., Favre R., Audibert F., Chauvet M. P., Gaucherand P., Tardif D., Grangé G., Novoa A., Descamps P., Perdu M., Andrini E., Janse-Marec J., Maillard F. and Nisand I. (20060206). Cervical assessment at 22 and 27 weeks for the prediction of spontaneous birth before 34 weeks in twin pregnancies: is transvaginal sonography more accurate than digital examination?. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

MLA

Vayssière C, Favre R, Audibert F, Chauvet M P, Gaucherand P, Tardif D, Grangé G, Novoa A, Descamps P, Perdu M, Andrini E, Janse-Marec J, Maillard F and Nisand I. Cervical assessment at 22 and 27 weeks for the prediction of spontaneous birth before 34 weeks in twin pregnancies: is transvaginal sonography more accurate than digital examination?. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. 20060206.