TY - GEN AU - Athanasoulis,C A AU - Yucel,E K TI - Venous reflux: assessing the level of incompetence SN - 0033-8419 PY - 1990///0222 KW - Chronic Disease KW - Humans KW - Leg KW - blood supply KW - Phlebography KW - methods KW - Ultrasonography KW - Venous Insufficiency KW - diagnosis N1 - Publication Type: Journal Article UR - https://doi.org/10.1148/radiology.174.2.2404311 ER -