Estimating an individual's risk of having a fetus with open spina bifida and the value of repeat alpha-fetoprotein testing: FOURTH REPORT OF THE UK COLLABORATIVE STUDY ON ALPHA-FETOPROTEIN IN RELATION TO NEURAL TUBE DEFECTS
Estimating an individual's risk of having a fetus with open spina bifida and the value of repeat alpha-fetoprotein testing: FOURTH REPORT OF THE UK COLLABORATIVE STUDY ON ALPHA-FETOPROTEIN IN RELATION TO NEURAL TUBE DEFECTS