Histology of Medicinal Plants. By Willia
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Article
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1916
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Elsevier
β 165 KB
Scientific Assistant A. R. Howard. Proceed to establishments of the General Chemical Company. Make studies of occupational diseases. November 16, 1916. Professor C. W. Stiles. Proceed to New Hanover, Robeson and Columbus Counties, N. C. hlake studies of methods and results of sanitation in those com