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The two previous editions of this book were published in 1936 and 1947. The original taxonomic method of classification of the drugs in the textbook has been changed to the chemical method, while the original monograph form of drug presentation has been retained. Some of the macroscopic and microscopic descriptions of lesser drugs have been reduced when the authors believed that such information, if desired, would be available in earlier editions of the textbook, in the United States Pharmacopeia, or in the National Formulary. Much new information has been incorporated in the areas of the book dealing with antibiotics, immunizing agents, allergens and allergenic preparations, and pesticides. Included in some monographs are trade names of commercial products. Appendixes include a taxonomic list of important drugs and powdered drugs, a key for identification of powders, and one on the cultivation of drug plants. The index is adequate. However, the inconsistent illustration
Gathercoal and Wirth Pharmacognosy. JAMA. 1957;163(8):700. doi:10.1001/jama.1957.02970430090039
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