Zdroj: |
Kirkegaard, I, Ekelund, C K, Ball, S, Newell, P, Wright, D, Noergaard, P, Soerensen, S, Friis-Hansen, L J, Toerring, N, Uldbjerg, N, Tabor, A, Petersen, O B & Jørgensen, F S 2012, ' OC15.03: Effects of gestational age at biochemical sampling on first-trimester screening performance for trisomy 18 and 13 ', Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology, vol. 40, no. S1, pp. 31-31 . https://doi.org/10.1002/uog.11319 |