TY - RPRT TI - Physiologic variations in lower extremity venous valvular function. AU - E Criado AU - P F Daniel AU - W Marston AU - D I Mansfield AU - B A Keagy PY - 1995 DO - 10.1007/bf02015323 UR - https://pubmed.ncbi.nlm.nih.gov/7703053/ ID - 7703053 ER -