The protective effect of a beta 2 agonist against excessive airway narrowing in response to bronchoconstrictor stimuli in asthma and chronic obstructive lung disease.
2017 ◽
2005 ◽
Vol 3
(6)
◽
pp. 483-485
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1972 ◽
Vol 287
(4)
◽
pp. 175-177
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