title: Validity of bioelectrical impedance to estimate body composition in cardiac and pulmonary patients.
mesh_terms: D001823:Body Composition; D003720:Densitometry; D004553:Electric Conductivity; D006331:Heart Diseases / Q000503:physiopathology*; D006801:Humans; D008171:Lung Diseases / Q000503:physiopathology*; D008875:Middle Aged