TY - GEN AU - Klein,K E AU - Wegmann,H M AU - BrĂ¼ner,H TI - Circadian rhythm in indices of human performance, physical fitness and stress resistance SN - 0001-9402 PY - 1968///0703 KW - Aerospace Medicine KW - Body Temperature KW - Circadian Rhythm KW - Ergonomics KW - Female KW - Heart Function Tests KW - Humans KW - Male KW - Oxygen Consumption KW - Physical Fitness KW - standards KW - Stress, Physiological KW - physiopathology N1 - Publication Type: Journal Article ER -