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Xeroderma pigmentosum is rare among Caucasoids and seems to be rarer among Negroes. Advantage was taken of the observation of two cases in the latters to study the ultrastructure of the epidermis and(More)
The authors have studied skin color modifications in 3 cases of phenylketonuria and have observed the characteristic changes; fair skin and fair hair. In addition they noted hundred of pigmented pin(More)
A comparative study of the Ridley-Jopling's (RJ) and of the Congress of Madrid's (CM) pathological criteria was made in the different clinical types and groups of hanseniasis. A concordance between(More)