title: Value and limitations of specialized centers for asthma.
mesh_terms: D000047:Academies and Institutes; D001249:Asthma / Q000628:therapy*; D002648:Child; D006782:Hospitals, Special; D006801:Humans; D007167:Immunotherapy; D026741:Physical Therapy Modalities; D012017:Referral and Consultation; D014481:United States