Management of critical valvular outflow obstruction in neonates.
D001024:Aortic Valve Stenosis / Q000150:complications / Q000401:mortality / Q000601:surgery*; D004695:Endocardial Fibroelastosis / Q000150:complications; D005112:Extracorporeal Circulation; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000601:surgery*; D008722:Methods; D011666:Pulmonary Valve Stenosis / Q000401:mortality / Q000601:surgery*