1. Photoplethysmographic assessment of altered cutaneous circulation in the postphlebitic syndrome;Barnes;Proceedings of the AAM 13th Annual Meeting; Washington, DC,1978
2. The use of photoplethysmography in the assessment of venous insufficiency: a comparison to venous pressure measurements;Abramowitz;Surgery,1979
3. Ein optoelektronisches Messverfahren für farbvalenzmetrischen Bewertung der mennschlichen Haut [thesis];Blazek,1979
4. Light reflection rheography (LRR): a new non-invasive test of venous function;Shepard;Bruit,1984
5. Hemodynamic parameters for venous valve incompetence in the lower extremity;Breslau;Netherlands Journal of Surgery,1986