title: The effects of heat stress upon human productivity.
mesh_terms: D000392:Air Movements; D001831:Body Temperature; D004526:Efficiency; D006339:Heart Rate; D006358:Hot Temperature; D006801:Humans; D008297:Male; D008906:Mining; D005082:Physical Exertion; D013312:Stress, Physiological / Q000503:physiopathology*