1. The use of photoplethysmography in the assessment of venous insufficiency: a comparison to venous pressure measurements;Abramowitz;Surgery,1979
2. The use of photoplethysmography in the assessment of chronic venous insufficiency;Flinn,1982
3. Role of photoplethysmography in the evaluation of venous insufficiency;Gorsuch;Bruit,1981
4. Assessment of venous insufficiency using photoplethysmography: a comparison to strain-gauge plethysmography;Hirai;Angiology,1985
5. Venous circulation after fasciotomy of the lower leg in man;Rosfors;Clin Physiol,1988