Tsai, Larry W Bronchoscopic measurement of collateral ventilation in a sheep model of emphysema. [electronic resource] - Respiration; international review of thoracic diseases 2007 - 565-71 p. digital Publication Type: Journal Article ISSN: 0025-7931 Standard No.: 10.1159/000103514 doi Subjects--Topical Terms: AnimalsBronchoscopyDisease Models, AnimalPapain--pharmacologyPulmonary Alveoli--physiologyPulmonary Emphysema--physiopathologyPulmonary Gas Exchange--physiologyPulmonary Ventilation--physiologySheep