The Changes in Doppler Indices of Fetal Ductus Venosus and Umbilical Artery After Amnioinfusion for Women With Preterm Premature Rupture of Membranes Before 26 Weeks' Gestation oleh Te-Yao Hsu, Jenn-Jeih Hsu, Hung-Chun Fu, Chia-Yu Ou, Chih-Chang Tsai, Bi-Hua Cheng, Fu-Min Fang, Hui-Fen Kao, Chun-Yuh Yang, Wen Lin Tsai, Chuen Chu Sung, Men-Yi Tsai