Accuracy of peak flow meters. Lack of a standard meter is bad for patients.
Garbe
B
B
D001249:Asthma / Q000503:physiopathology; D006801:Humans; D010366:Peak Expiratory Flow Rate; D011787:Quality of Health Care; D012129:Respiratory Function Tests / Q000295:instrumentation*; D012680:Sensitivity and Specificity