Tib neeg lub cev feem ntau muaj cov pa oxygen tsawg vim muaj teeb meem ua pa xws li mob hawb pob, COPD, kab mob ntsws, thaum phais thiab ob peb yam teeb meem.Rau cov neeg zoo li no, cov kws kho mob feem ntau qhia txog kev siv cov pa oxygen ntxiv.Yav dhau los, thaum thev naus laus zis tsis tau nce qib, cov khoom siv oxygen tau ...
Nyeem ntxiv