TY - BOOK AU - Obladen,M. AU - Koehne,P. TI - Interventions for persisting ductus arteriosus in the preterm infant SN - 3540245111 PY - 2005/// CY - Heidelberg PB - Springer Medizin KW - Ductus Arteriosus, Patent KW - drug therapy KW - Congresses KW - surgery KW - Infant, Premature ER -