References
Respondek ML. Kammermeier M. Ludomirsky A. Weil SR. Huhta JC The prevalence and clinical significance of fetal tricuspid valve regurgitation with normal heart anatomy Am J Obstet Gynecol 171:1265-70
Respondek M. Weil SR. Huhta JC Fetal echocardiography during indomethacin treatment Ultrasound Obstet Gynecol 5:86-9