| The reporting of pre-existing maternal medical conditions andcomplications of pregnancy on birth certificates and in hospital dischargedata |
Lydon-Rochelle, M.T.;Holt, V.L.;Cardenas, V.;Nelson, J.C.;Easterling, T.R.;Gardella, C.;Callaghan, W.M.; |
American Journal of Obstetrics and Gynecology |
2005-07-01 |
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