1. The use of photophethysmography in the assessment of venous insufficiency: A comparison to venous pressure measurements;Abramowitz;Surgery,1979
2. Hemodynamic assessment of venous problems;Pearce;Surgery,1983
3. Quantitative photoplethysmography in chronic venous insufficiency: A new method of noninvasive estimation of ambulatory venous pressure;Norris;Surgery,1983
4. Strain-gauge plethysmography;Sumner,1982
5. Noninvasive quantitation of venous reflux in the postphlebitic syndrome;Barnes;Surg Gynecol Obstet,1983