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2012-04-02
Thoresen-Semonick, Christina, Wunderlich, Lorielle, Cust, Sarah
Peak cough flow (PCF) is a measure of cough strength and capacity. According to American Thoracic Society (ATS) standards, patients should be seated upright during pulmonary function testing. However, the effect of sitting angle on PCF and other measures of cough function in patients with ALS has...
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