the effect of o2 administration during sleep has been examined in 12 patients ( seven with cystic fibrosis , three with bronchopulmonary dysplasia , one with bronchiolitis obliterans , and one with severe hypersensitivity pneumonitis ) using skin surface o2 ( roche ) and co2 ( radiometer ) electrodes .
C0032285
pneumonitis
C0030054
o2