More on limitations of PEFR test.
D001249:Asthma / Q000503:physiopathology; D002908:Chronic Disease; D005540:Forced Expiratory Flow Rates / Q000706:statistics & numerical data*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D008991:Monitoring, Physiologic; D010366:Peak Expiratory Flow Rate / Q000706:statistics & numerical data*