All Our Babies Cohort Study: recruitment of a cohort to predict women at risk of preterm birth through the examination of gene expression profiles and the environment. - Gracie SK; Lyon AW; Kehler HL; Pennell CE; Dolan SM; McNeil DA; Siever JE; McDonald SW; Bocking AD; Lye SJ; Hegadoren KM; Olson DM; et al. (BMC pregnancy and childbirth, 2010)