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The impact of prenatal care on preterm births among twin gestations in the United States, 1989-2000
Anthony M Vintzileos, Cande V Ananth, John C Smulian, William E ScorzaVolume:
189
Year:
2003
Language:
english
Pages:
6
DOI:
10.1067/s0002-9378(03)00821-4
File:
PDF, 113 KB
english, 2003