%0 Journal Article %T 8 Pulmonary Vasodilatation with Intratracheal Sildenafil and Surfactant in Newborn Piglets with Pulmonary Hypertension %A Obaid,, L %A Johnson,, ST %A Bigam,, DL %A Cheung,, P-Y %J Paediatrics & Child Health %V 9 %N suppl_a %@ 1205-7088 %D 2004-05-01 %I Canadian Paediatric Society %~ DeepDyve