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2. Wilson, J. W. and Plunkett, O. A.: The Fungus Diseases of Man. Berkeley, University of California Press, 1965.
3. Emmons, C. W., Binford, C. H. and Utz, J. P.: Medical Mycology. Philadelphia, Lea & Febiger, 1963.
4. Cutaneous North American Blastomycosis and Black Dots