RT Journal Article SR Electronic T1 Inhalation Tests of Bronchial Hypersensitivity in Pollen Asthma JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 229 OP 232 DO 10.1136/thx.13.3.229 VO 13 IS 3 A1 Citron, K. M. A1 Frankland, A. W. A1 Sinclair, J. D. YR 1958 UL http://thorax.bmj.com/content/13/3/229.abstract AB