title: Understanding difficult-to-control asthma.
authors.affiliation: Royal Brompton and Harefield NHS Trust, London.
authors.forename: Debbie A
authors.initials: DA
authors.lastname: Campbell
mesh_terms: D000403:Airway Resistance; D001249:Asthma / Q000145:classification / Q000175:diagnosis* / Q000517:prevention & control* / Q000523:psychology; D003951:Diagnostic Errors; D006301:Health Services Needs and Demand; D006801:Humans; D010343:Patient Admission; D010349:Patient Compliance / Q000523:psychology; D011659:Pulmonary Gas Exchange; D012017:Referral and Consultation; D012307:Risk Factors; D013147:Spirometry; D017211:Treatment Failure