title: Estimation of respiratory parameters by the method of covariance ratios.
mesh_terms: D003202:Computers, Analog; D005583:Fourier Analysis; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008954:Models, Biological; D012123:Pulmonary Ventilation; D012119:Respiration; D013223:Statistics as Topic; D014947:Wounds and Injuries / Q000503:physiopathology