This Peak Flow Meter is a hand-held pulmonary function measuring medical device that measures your maximum possible exhalation which is called peak expiratory flow (PEF) and forced expiratory volume in 1 second (FEV1). The accuracy meets American Thoracic Society (ATS) Standard 2005 Revision
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Primary Care Physician uses RCP Platform and Support Services to Enroll Nearly 700 Patients In Just Six Weeks.
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