Schwellnus, M P Effect of opioid antagonism on esophageal temperature during exercise. [electronic resource] - Medicine and science in sports and exercise Aug 1988 - 381-4 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0195-9131 Standard No.: 10.1249/00005768-198808000-00009 doi Subjects--Topical Terms: AdultBicyclingBody Temperature Regulation--drug effectsDouble-Blind MethodElectrocardiographyEndorphins--antagonists & inhibitorsEsophagus--drug effectsExerciseHeart Rate--drug effectsHumansInfusions, IntravenousMaleNaloxone--administration & dosageRandom Allocation