Fractional Exhaled Nitric Oxide (feno) and Spirometry as Indicators of Inhalation Exposure to Chemical Agents in Pathology Workers

Objective:The objective of this study was to examine whether fractional exhaled nitric oxide (FeNO) and spirometry can be used as indices to evaluate adverse health effects of low-concentrated chemical inhalation exposure, mainly to formaldehyde.Methods:Thirty-three subjects (pathology technicians)