SliwiĆski, P [Changes in oxygen saturation of arterial blood during controlled oxygen therapy using oxygen masks produced in Poland]. [electronic resource] - Pneumonologia polska Dec 1988 - 564-8 p. digital Publication Type: English Abstract; Journal Article ISSN: 0376-4761 Subjects--Topical Terms: HumansLung Diseases, Obstructive--bloodMasksOxygen--administration & dosageOxygen Inhalation Therapy--instrumentationPoland