TY - GEN AU - Markel,A AU - Manzo,R A AU - Bergelin,R O AU - Strandness,D E TI - Valvular reflux after deep vein thrombosis: incidence and time of occurrence SN - 0741-5214 PY - 1992///0310 KW - Adolescent KW - Adult KW - Aged KW - Aged, 80 and over KW - Child KW - Female KW - Follow-Up Studies KW - Humans KW - Incidence KW - Male KW - Middle Aged KW - Postphlebitic Syndrome KW - epidemiology KW - Risk Factors KW - Thrombophlebitis KW - complications KW - Time Factors KW - Ultrasonography KW - Venous Insufficiency KW - diagnostic imaging N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S ER -