Prenatal diagnosis of isolated unilateral pulmonary agenesisin the second trimester
Fetal size charts for the Italian population. Normative curvesof head, abdomen and long bones
Ultrasound evaluation of fetal nasal bone at 11 to 14 weeks in a consecutive series of 1906 fetuses
Fetal nasal bone and trisomy 21 in the second trimester
Trisomy 18:
Fetal Ultrasound Findings at Different Gestational Ages
