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Time course of FVC% predicted and FEV1% predicted (median and IQR) after acute chlorine inhalation. Pulmonary function tests were performed on the day of admission and at several time points during the 15-mo follow-up (FEV1/FVC ratio values, range: 84–87). (Spirometry was performed in 9 children on Days 1 and 3 and then in all 10 patients during the follow-up.)
