TY - JOUR AU - Kribs, A; Vierzig, A; Hünseler, C TI - Early surfactant in spontaneously breathing with nCPAP in ELBW infants—a single centre four year experience JO - Acta Paediatr IS - 3 VL - 97 PY - 2008 DO - 10.1111/j.1651-2227.2007.00617.x L3 - PubMed-ID: 18298776 SP - 293 EP - 298 N1 - , et al. ER -