Cardiorespiratory responses to low-level ozone exposure: The inDoor Ozone Study in childrEn (DOSE)

This repeated-measures study examined cardiorespiratory responses to indoor low-level ozone exposure in 46 middle-school children in Beijing, China. Measurements of cardiorespiratory function included ambulatory ECG, blood pressure, FeNO, and lung function. FeNO was measured using the NIOX VERO device, while lung function (FEV1, PEF) was measured using the Vitalograph In2itive e-Diary.