This article is unavailable. Low, D.A., Vu, A., Brown, M., Davis, S.L., Keller, D.M., Levine, B.D. and Crandall, C.G. (2007). Temporal Thermometry Fails to Track Core Body Temperature during Heat Stress. Medicine and Science in Sports and Exercise.39, 1029-1035. If you wish to obtain a copy please contact the author below: David.Low@brunel.ac.uk