TY - GEN AU - Riley,D J AU - Fisher,A B AU - Hansell,J R AU - Brody,J S TI - Regional bronchoconstriction in asthma. 133Xenon washout scans following parenteral methacholine SN - 0012-3692 PY - 1977///0224 KW - Adult KW - Airway Resistance KW - Asthma KW - diagnosis KW - Bronchi KW - physiopathology KW - Humans KW - Lung Volume Measurements KW - Methacholine Compounds KW - Pulmonary Ventilation KW - Ventilation-Perfusion Ratio KW - Xenon Radioisotopes N1 - Publication Type: Journal Article UR - https://doi.org/10.1378/chest.70.6.715 ER -