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June 1971


Author Affiliations

University of California School of Medicine San Francisco 94122

Arch Dermatol. 1971;103(6):679. doi:10.1001/archderm.1971.04000180104017

To the Editor.—  We appreciate the opportunity to respond to the letter of Summerly and Giles from the North Staffordshire Hospital Centre in Stoke-on-Trent, England. We thank them for their data. We did not address ourselves to the problem of folic acid absorption in our study. It dealt exclusively with other biochemical determinations of malabsorption, and these did not indicate a significant degree of steatorrhea. We still feel that we are not seeing a significant degree of steatorrhea in our population. We have received oral communication with others interested in the field that supports our findings.The main impact of our communication was the fact that there are absolutely no morphologic abnormalities of the small intestinal mucosa in patients with any degree of psoriasis, mild or severe. We concur with Summerly and Giles that ongoing studies of this sort might clarify the conflicts presented. It is of interest that in

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