Tullis, M J The relationship of venous diameter to reflux, cephalad thrombus and cephalad reflux following deep venous thrombosis. [electronic resource] - Thrombosis and haemostasis Mar 1997 - 462-5 p. digital Publication Type: Journal Article ISSN: 0340-6245 Subjects--Topical Terms: AdultCross-Sectional StudiesFemaleHemorheologyHumansMaleMiddle AgedPregnancyThrombophlebitis--diagnostic imagingUltrasonography, Doppler, DuplexVascular PatencyVasodilationVeins--diagnostic imaging