Sensitivity of methacholine testing in occupational asthma.
D001249:Asthma / Q000175:diagnosis*; D006801:Humans; D016210:Methacholine Chloride; D008688:Methacholine Compounds; D009784:Occupational Diseases / Q000175:diagnosis*
D008688:Methacholine Compounds; D016210:Methacholine Chloride