双胎妊娠的孕期胎儿监护
刘星,曹引丽
Fetal monitoring during twin pregnancy.
LIU Xing,CA0 Yin-li
中国实用妇科与产科杂志 . 2019, (4): 387 -392 .  DOI: 10.19538/j.fk2019040106