Authors: McLean, M Bisits, A Davies, J Walters, W Hackshaw, A De Voss, K Smith, R

Citation: M. Mclean et al., Predicting risk of preterm delivery by second-trimester measurement of maternal plasma corticotropin-releasing hormone and alpha-fetoprotein concentrations, AM J OBST G, 181(1), 1999, pp. 207-215