| Evaluation of the pregnancy prolongation index (PPI) as a measure ofsuccess of obstetric interventions in the prevention of preterm birth andassociated morbidities |
Lam, F.;Istwan, N.B.;Rhea, D.;Smith, M.;Main, E.;Slage, T.;Stanziano, G.; |
American Journal of Obstetrics and Gynecology |
2005-06-01 |
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