[Asthma or COPD? 4 questions lead to the right track].
D001249:Asthma / Q000175:diagnosis*; D001985:Bronchial Provocation Tests; D003937:Diagnosis, Differential; D004417:Dyspnea / Q000209:etiology; D005541:Forced Expiratory Volume; D006801:Humans; D008487:Medical History Taking; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis*; D014797:Vital Capacity