Smoker's respiratory syndrome, a clinical entity.
D001249:Asthma / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D012120:Respiration Disorders; D012137:Respiratory System; D012140:Respiratory Tract Diseases; D014026:Nicotiana
ASTHMA/differential diagnosis; RESPIRATORY TRACT/diseases; TOBACCO