title: Physiological functions in graduated loading using a mouthpiece and a half-mask.
mesh_terms: D000328:Adult; D005080:Exercise Test / Q000295:instrumentation*; D006339:Heart Rate; D006801:Humans; D007773:Lactates / Q000097:blood; D008397:Masks; D009064:Mouth Protectors; D010100:Oxygen / Q000097:blood; D010101:Oxygen Consumption; D005082:Physical Exertion; D012119:Respiration; D013147:Spirometry
chemical_list: D007773:Lactates; D010100:Oxygen