Anterior-Posterior Tigh Diameter Measured by TwoDimensional Sonography Indicator of Fetal Age at 8 to 28 Weeks Gestation ? Journal title: Sultan Qaboos University Medical Journal Authors: Saad R I Al-Kubaisi| Ultrasound Supervisor, High Level General Hospital, NWHC, Alberta, Canada, P.O.... Subject(s): Medicine, Biochemistry, Biomedicine