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Rocky Mountain Spotted Fever

Potentialities of Tick Transmission in Relation to Geographical Occurrence in the United States

R. R. Parker, Cornelius B. Philip, and WM. L. Jellison
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B. D. Thorpe, R. W. Sidwell, D. E. Johnson, K. L. Smart, and D. D. Parker
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E. D. Vest, D. L. Lundgren, D. D. Parker, D. E. Johnson, E. L. Morse, J. B. Bushman, R. W. Sidwell, and Bert D. Thorpe
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