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That the second edition of this book, which appeared but a few months ago, is now followed by the third, shows that the book has met with general favor. Professor Kraemer is known as a scientist who is thoroughly practical, and so this book, while distinctly scientific, is yet of great value to those interested in the study of crude drugs. Professor Kraemer's ideas in this matter may be gained from the following incident: At a recent meeting there was under discussion the definition of the word "drug." Professor Kraemer, when asked how he defined this word to his classes, stated that he and his classes were too busy to bother with definitions, that they just studied the many drugs and this kept them so busy that no time for the study of definition was left. In view of the wide use of powdered drugs, a chapter on the recognition
A Text-Book of Botany and Pharmacognosy. JAMA. 1909;LII(2):151. doi:10.1001/jama.1909.02540280065022
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