1. Cuff pressures and Doppler gradients after coarctectomy. A long-term follow-up;Michaelsson, M.; Sunnegardh, J.; Hallberg, M.; Aberg, T.;Acta Paediatr Scatnd,1986
2. Long term results (15-30 years) of surgical repair of aortic coarctation;Presbitero, P.; DeMarie, D.; Villani, M.; Perinetto, E.A.; Riva, G.; Orzan, F.; Bobbio, M.; Morea, M.; Brusca, A.,1987
3. Limitations in assessing the severity of aortic stenosis by Doppler gradients;Danielsen, R.; Nordrehaug, J.E.; Stangeland, L.; Vik-Mo, H.;Br Heart,1988
4. Evaluation of aortic stenosis by ultrasonographically measured gradients and valve areas in 100 children;Teien, D.; Human, D.G.; Nanton, M.A.; Wendel, H.,1989
5. Measurement of valve area determinations in mitral stenosis by the pressure half-time method: Impact of left ventricular stiffness and peak diastolic pressure difference..7 Ant Coll Cardiol;Karp, K.; Teien, D.; Bjerle, P.; Eriksson, P.,1989