Copy of a letter from R W J Keay to Dr Edholm, Division of Human Physiology, Medical Research Council Laboratory, Holly Hill, London Reminds him that he is to convene a working group meeting to consider the formulation of a UK programme of research on the measurement of physical fitness and working capacity with Dr Cotes and Dr Healy - encloses a copy of a paper by Dr Lange Andersen which would serve as a good basis for discussion by the working group. 11 November 1965