title: Heart rate response to square wave breathing: one G compared to zero G.
mesh_terms: D000337:Aerospace Medicine; D000704:Analysis of Variance; D001945:Breathing Exercises; D004562:Electrocardiography; D006112:Gravitation; D006339:Heart Rate; D006801:Humans; D008297:Male; D012119:Respiration; D013147:Spirometry