NEJM. Volume 362:e5 January 14, 2010 Number 2
A 45-year-old woman presented for an assessment of breathlessness. She had been receiving inhaled bronchodilators and corticosteroids for years without improvement. Her medical history was notable for prolonged endotracheal intubation 8 years earlier. Examination revealed a biphasic wheeze. Pulmonary-function testing showed ….
Weblink here