| Predicting risk of preterm delivery by second-trimester measurement ofmaternal plasma corticotropin-releasing hormone and @a-fetoproteinconcentrations |
McLean, M.;Bisits, A.;Davies, J.;Walters, W.;Hackshaw, A.;De Voss, K.;Smith, R.; |
American Journal of Obstetrics and Gynecology |
1999-07-01 |
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