-DNA source: neonatal-NR3C1 SNPs: BclI, N363S, and ER22/23EK-Placental transporter gene (ABCB1, GSTP1, GSTM1, GSTT1) SNPsAssociation of genotypes with neonatal RDS by logistic regression-. This evidence concerns the gene ABCB1 and newborn respiratory distress syndrome.