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(a) Serum PDGF-B concentrations, and (b) expression of placental mRNA of PDGF-B and PDGFR-β in gestational diabetic mothers and their babies. Serum PDGF-B concentrations and mRNA expression by RT-PCR were assessed as described in the section of the methods. Values are means ± SD. n = 60 control mothers/babies; n = 60 gestational diabetic mothers/macrosomic babies.
