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Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography|May 1, 1994
Subaortic flow profiles in aortic valve disease: a two-dimensional color Doppler studyB J Sjöberg, P Ask, D Loyd, et al.Acta Physiologica Scandinavica|March 1, 1993
Vascular characteristics influence the aortic ultrasound Doppler signal: computer and hydraulic model simulationsB J Sjöberg, L Eidenvall, D Loyd, et al.The American Journal of Physiology|January 1, 1995
Mathematical model that characterizes transmitral and pulmonary venous flow velocity patternsY Sun, B J Sjöberg, P Ask, et al.Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography|July 1, 1992
Two-dimensional color Doppler flow velocity profiles can be time corrected with an external ECG-delay deviceL Eidenvall, B J Sjöberg, P Ask, et al.Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography|March 1, 1993
Problems in timing of respiration with the nasal thermistor techniqueC Xiong, B J Sjöberg, P Sveider, et al.European Heart Journal|August 1, 1987
Problems related to the assessment of fluid velocity and volume flow in valve regurgitation using ultrasound Doppler techniqueB Wranne, P Ask, D LoydClinical Physiology (Oxford, England)|February 1, 1985
Quantification of heart valve regurgitation: a critical analysis from a theoretical and experimental point of viewB Wranne, P Ask, D LoydJournal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography|September 1, 1988
Pressure half-time does not always predict mitral valve area correctlyD Loyd, P Ask, B WranneThe American Journal of Cardiology|September 1, 1990
Analysis of different methods of assessing the stenotic mitral valve area with emphasis on the pressure gradient half-time conceptB Wranne, P Ask, D LoydMedical & Biological Engineering & Computing|May 1, 1991
Coarctation of the aorta--a theoretical and experimental analysis of the effects of a centrally located arterial stenosisJ Engvall, P Ask, D Loyd, et al.Pageof 16