RT Journal Article SR Electronic T1 Linking ventilation heterogeneity and airway hyperresponsiveness in asthma JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 653 OP 654 DO 10.1136/thx.2006.073239 VO 62 IS 8 A1 Jose Venegas YR 2007 UL http://thorax.bmj.com/content/62/8/653.1.abstract AB