Cocket & Dodd's operation is performed for which one of the following ?
Ref: BMJ 97 p314 Cockett and Dodd operation : Sub-fascial ligation of perforators Ref: www.ncbi.nlm.gov/pubmed/4855162
Sapheno femoral flush ligation
Subfascial ligation
Deep vein thrombosis
Diabetic foot
Vascular surgery