Proteomics mapping of cord blood identifies haptoglobin "switch-on" pattern as biomarker of early-onset neonatal sepsis in preterm newborns. - Buhimschi CS; Bhandari V; Dulay AT; Nayeri UA; Abdel-Razeq SS; Pettker CM; Thung S; Zhao G; Han YW; Bizzarro M; Buhimschi IA (PloS one, 2011)