Morrison J, Chang A, Keeping J D, Kilvert G
Aust Fam Physician. 1982 Feb;11(2):88-93.
The value of antenatal tests of fetal welfare is a constant source of controversy and confusion to obstetricians and general practitioners. The proliferation of such tests indicates that none is ideal and all are relatively imprecise.
胎儿健康产前检查的价值一直是产科医生和全科医生争论和困惑的根源。此类检查的增多表明,没有一种检查是理想的,而且所有检查都相对不精确。