Norwood WI, Lang P, Hansen DD (January 1983). "Physiologic repair of aortic atresia-hypoplastic left heart syndrome". The New England Journal of Medicine. 308 (1): 23–6. doi:10.1056/NEJM198301063080106. PMID6847920.
Norwood WI, Lang P, Hansen DD (January 1983). "Physiologic repair of aortic atresia-hypoplastic left heart syndrome". The New England Journal of Medicine. 308 (1): 23–6. doi:10.1056/NEJM198301063080106. PMID6847920.