Kraemer, W J The effect of heavy resistance exercise on the circadian rhythm of salivary testosterone in men. [electronic resource] - European journal of applied physiology - 13-8 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 1439-6319 Standard No.: 10.1007/s004210000322 doi Subjects--Topical Terms: AdultCircadian Rhythm--physiologyCross-Over StudiesExercise--physiologyHumansMaleSaliva--chemistryTestosterone--analysisWeight Lifting--physiology