1.
Ferdous M, Sharif M, Mohiuddin A, Shegufta F. Normal value of pulsatility index of umbilical artery in second and third trimester of pregnancy. Bangladesh Med Res Counc Bull [Internet]. 2013 Jul. 24 [cited 2024 Aug. 17];39(1):42-4. Available from: https://banglajol.info/index.php/BMRCB/article/view/15809