Karen L. Courtney Sara Stewart Mihail Popescu Linda K. Goodwin Predictors of Preterm Birth in Birth Certificate Data. 555-560 2008 MIE http://dx.doi.org/10.3233/978-1-58603-864-9-555 conf/mie/2008 db/conf/mie/mie2008.html#CourtneySPG08