1Gardner AMN, Fox RH. The venous pump of the human foot preliminary report. Bristol Medico- Chirurgical J, 1983, 98: 109.
2Laverick MD, McGivern RC,Grone MD, et al. A comparson of the effects of electrical calf muscle stimulation and the venous foot pump on venous blood flow in the lower leg. Phlebology, 1990, 5:285.
3Bezes H, Massart P, Delvaux D, et al. The operative treatment of intraarticular calcaneal fracture. Indications technique and results in 257 cases. Clin Orthop, 1993, 290:55.
4Zwipp H, Tscherne H, Thermann H, et al. Osteosynthesis of displaced intraarticular fracture of the calcaneal. Results in 123 cases.Clin Orthop, 1993, 290:76.