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Respiratory function at different ages. Cso: Respiratory System Compliance; FVC: Forced Vital Capacity; FEV1: Forced Expiratory Volume in the 1st second; Xrs: Respiratory Reactance; Rrs: Respiratory Resistance; FEF25-75: Forced Expiratory Flow 25–75%; DLCO: Diffusion Lung Carbon Monoxide.
