title: Heart rate response to apnea and face immersion.
mesh_terms: D005145:Face; D006339:Heart Rate; D006801:Humans; D007101:Immersion; D008176:Lung Volume Measurements; D008297:Male; D011187:Posture; D012119:Respiration; D013696:Temperature; D014867:Water
chemical_list: D014867:Water