Do Quality of Life (QOL) index scores truly reflect the degree of clinical improvement following intervention in patients with intermittent claudication due to femoro-popliteal disease? results of an observational study - Mazari, Fayyaz Ali Khan; Abdul Rahman, Mohd Norhisham Azmi; Mehta, Tapan; McCollum, Peter Thomas; Chetter, Ian Clifford (Elsevier, 2009)