Crossland, S., Drysdale, I.P., Investigation into the affect of different application times of cold hydrotherapy on cutaneous blood perfusion. ICAOR 6, London. March 31st – April 2nd 2006,
Howard J., Drysdale I. P., The temporal effect of a high velocity thrust technique to the lumbar spine on cutaneous blood flow in the lower limb in smokers and non-smokers. ICAOR 6, , London. March 31st – April 2nd 2006