Group prenatal care and preterm birth weight: results from a matched cohort study at public clinics.
Ickovics J, Kershaw T, Westdahl C, Rising S, Klima C, Reynolds H, Magriples U. Group prenatal care and preterm birth weight: results from a matched cohort study at public clinics. Obstetrics And Gynecology 2003, 102: 1051-7. PMID: 14672486, DOI: 10.1016/s0029-7844(03)00765-8.Peer-Reviewed Original Research