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JOHN W. WILLIAMS, M.D.

Arch Derm Syphilol. 1937;36(3):581-598.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

In a previous paper¹ I made a preliminary report on the predominance of subsurface growth on mediums made with hydrolyzed hair, hydrolyzed pig skin and cysteine hydrochloride. In this paper the types of subsurface growths noted, the variables incident to the correlation of subsurface growth with invasiveness and chronicity of pathogenic fungi for man, and the factors probably accountable for the results are discussed.

Little is known regarding the basic factors accountable for the invasiveness and chronicity of micro-organisms. If anything was to be learned it was evident that if the culture in the test tube was to be studied and correlated, a medium made of tissues for which the organisms were selective was the point of departure. It is known that: 1. The type of growth might yield valuable information. 2. Organisms grown on mediums made of such ingredients as peptone and blood tend to dissociate. This is . . . [Full Text PDF of this Article]

Author Affiliations
CAMBRIDGE, MASS.

From the Department of Biology and Public Health and the Homberg Memorial Infirmary, Massachusetts Institute of Technology.

Contribution 101 from the Department of Biology and Public Health, Massachusetts Institute of Technology.

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