Two lectures on the connection between the chemical properties and the physiological action of active substances; and the antagonism between the action of active substances. Delivered before the Royal College of Physicians, Edinburgh, on the 19th and 26th April, 1872
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![Cover of [William Wheeler Hubbell, authorized to apply for patents.] by United States. Congress. Senate. Committee on Patents](/img/cover/10200621-M.jpg)
