Accuracy Of ECTemp Models In Predicting Core Temperature And Circadian Rhythm Indicators From Heart Rate: 1600 Board #275 June 1 9. (May 2017) - Looney, David P.; Buller, Mark J.; Welles, Alexander P.; Leger, Jayme L.; Stevens, Michelle; Gribok, Andrei V.; Hoyt, Reed W.; Rumpler, William V.