Pulmonary embolism: prospective comparison of spiral CT with ventilation-perfusion scintigraphy. - Mayo,J.R.; Remy-Jardin,M.; Müller,N.L.; Remy,J.; Worsley,D.F.; Hossein-Foucher,C.; Kwong,J.S.; Brown,M.J. (Radiology, 1997)