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["<p> Pamphlet.  \"Professor W. H. Schultz, Ph. D., Messrs. C. O. Gorby, H. C. Bray and Wilbur Shirkey.\"</p>"]

1. Report of the Sanitary Survey Commission of the West Virginia State Board of Health : an intensive study of the prevalence of intestinal parasites among the coal miners of McDowell County.