Nicolaides AN. Investigation of chronic venous insufficiency: A consensus statement (France, March 5-9, 1997). Circulation 2000;102(20):E126-63.
Neglen P, Raju S. A comparison between descending phlebography and duplex Doppler investigation in the evaluation of reflux in chronic venous insufficiency: a challenge to phlebography as the βgold standardβ. J Vasc Surg 1992;16(5):687-93.
Valentin LI, Valentin WH, Mercado S, Rosado CJ. Venous reflux localisation: comparative study of venography and duplex scanning. Phlebology 1993;8:124-7.
Van Bemmelen PS, Bedford G, Beach K, Strandness DE. Quantitative segmental evaluation of venous valvular reflux with duplex ultrasound scanning. J Vasc Surg 1989;10(4):425-31.
Hanrahan LM, Araki CT, Fisher JB, Rodriguez AA, Walker TG, Woodson J et al. Evaluation of the perforating veins of the lower extremity using high resolution duplex imaging. J Cardiovasc Surg (Torino) 1991;32(1):87-97.
Labropoulos N, Giannoukas AD, Nicolaides AN, Ramaswami G, Leon M, Burke P. New insights into the patho- physiologic condition of venous ulceration with color- flow duplex imaging: implications for treatment? J Vasc Surg 1995;22(1):45-50.