Turley, Kenneth R Effects of caffeine on physiological responses to exercise: boys versus men. [electronic resource] - Pediatric exercise science Nov 2007 - 481-92 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 0899-8493 Standard No.: 10.1123/pes.19.4.481 doi Subjects--Topical Terms: AdolescentAdultBeveragesBlood PressureCaffeine--pharmacologyCentral Nervous System Stimulants--pharmacologyChildCross-Over StudiesDouble-Blind MethodExercise TestHeart RateHumansMaleOxygen ConsumptionRespiratory Function Tests