title: A different disease, many diseases or mild asthma gone bad? Challenges of severe asthma.
mesh_terms: D001249:Asthma / Q000145:classification / Q000175:diagnosis / Q000503:physiopathology*; D003430:Cross-Sectional Studies; D004804:Eosinophils; D005260:Female; D006801:Humans; D008297:Male; D009504:Neutrophils; D012720:Severity of Illness Index