| http://www.w3.org/ns/prov#value | - The American College of Occupational and Environmental Medicine recommends that spirometers of all types meet or exceed recommendations made by ATS/ERS 2005 and, eventually, by ISO 26782: * Performance-based criteria for spirometer operation, including, for example, accuracy, precision, linearity, frequency response, expiratory flow impedance, and other factors;
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