[Effects of respirators on some physiological reactions to physical effort].
D001794:Blood Pressure; D001795:Blood Pressure Determination; D006334:Heart Function Tests; D006801:Humans; D005082:Physical Exertion; D012129:Respiratory Function Tests; D012122:Ventilators, Mechanical
BLOOD PRESSURE; EXERTION; HEART FUNCTION TESTS; RESPIRATORS; RESPIRATORY FUNCTION TESTS