title: [Various indices of external respiratory function in children with mitral valve defects].
mesh_terms: D000293:Adolescent; D002648:Child; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000503:physiopathology*; D008946:Mitral Valve Stenosis / Q000503:physiopathology*; D012119:Respiration
vernacular_title: Nekotorye pokazateli vneshnego dykhaniia u deteĭ s mitral'nymi porokami serdtsa.