title: Effects of apnea and face immersion in water on the time components of the cardiac cycle.
mesh_terms: D000293:Adolescent; D000328:Adult; D001049:Apnea / Q000503:physiopathology*; D005145:Face; D005260:Female; D006339:Heart Rate; D006801:Humans; D007101:Immersion; D008297:Male; D010063:Ovum