Extract
Sympathomimetic agents have been known in Chinese medicine for at least 5000 years as a drug to treat disorders of respiratory tract; however, they were introduced to western medicine mainly in the beginning of the 20th century [1].
Abstract
The history and the future of inhaled β2-agonists in asthma management http://ow.ly/s1s4305l4k4
Footnotes
Conflict of interest None declared.
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