Bernardi L, Spadacini G, Bellwon J, Hajric R, Roskamm H, Frey AW. Effect of breathing rate on oxygen saturation and exercise performance in chronic heart failure. Lancet. 1998;351(9112):1308-1311. doi:10.1016/S0140-6736(97)10341-5
Effect of breathing rate on oxygen saturation and exercise performance in chronic heart failure
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Better quality of life when nasal breathing of snoring men is improved at night
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