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2. An operational windchill index;Beal, H.T.;Atmosphere,1974
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4. Lung function throughout life; determinants and reference values;Cotes, J.E.,1979
5. 1969 "Nephropathy in marathon runners";Dancaster, C.P.; Duckworth, W.C.; Roper, C.J.;S. Afr. Med. J