1. Venous thrombosis made easy;Salzman, E.W.;NEnglJMed,1986
2. Thrombosis following leg phlebography with ionic and non-ionic contrast media;Albrechtsson, U.; Olsson, C.G.;Acna Radiol (Diagn),1979
3. Low osmolality contrast media -for phlebogphy;Thomas, M.L.; Briggs, G.M.;Ixuenxaioal Angidogy,1984
4. Comparison of impedance plethysmography with ascending venography for the diagnosis of proximal deep vein thrombosis;Jeffrey, P.C.; Immelman, E.J.; Benatar, SR;S Afr Med J,1985
5. Deep vein thrombosis: Significant limitations of non invasive tests;Ramchandni, P.; Soulen, R.L.; Fedullo, L.M.; Gaines, V.D.;Radiology,1985