Nasal bone length throughout gestation: normal ranges based on 3537 fetal ultrasound measurements.
Mid-second Trimester Measurement of Nasal Bone Length in the Indian Population.
Rhinoplasty: the nasal bones - anatomy and analysis.
Nomogram of nasal bone length at 11-14 week of gestation in Indian women and their follow up till delivery
Likelihood ratio for trisomy 21 in fetuses with absent nasal bone at the 11-14-week scan.
Ultrasound evaluation of the fetal nasal bone: what is the most appropriate first-trimester cut-off point for aneuploidy screening?