Glowacka, M [Spirometric assessment of respiratory activity in children having undergone tracheotomy]. [electronic resource] - Otolaryngologia polska = The Polish otolaryngology 1977 - 33-6 p. digital Publication Type: English Abstract; Journal Article ISSN: 0030-6657 Subjects--Topical Terms: AdolescentAge FactorsChildChild, PreschoolHumansLung--physiologyRespirationSpirometryTracheotomy--adverse effects