2024年5月15日 · The NIOSH Spirometry Training Program provides helpful guidance and materials to help with techniques and class instruction that make up the components of a quality spirometry program.
decrement in FEV,, FVCt and FEV;/FVC for any worker. Direct CO measurements of exhaled air were not remarkable when shift differentials were compared. The health questionnaires given both groups underscored ·health complaints of nasal irritation …