Ko, Tsang-MingTsang-MingKoLee, Tzu-YaoTzu-YaoLeeChuang, Sou-MingSou-MingChuang柯滄銘Tseng, Li-HuiLi-HuiTseng莊壽洺2009-02-122018-07-122009-02-122018-07-121995http://ntur.lib.ntu.edu.tw//handle/246246/129519en-USUltrasonographic Scanning of Placental Thickness and the Prenatal Diagnosis of Homozygous Alpha-thalassemia 1 in the Second Trimester