We report a case of congenital isolated malabsorption of folic acid, the first in a boy. Only seven previous cases have been reported, and we discuss two aspects--namely, the tendency to infection, with evidence of impairment of both cellular and humoral immunity, and the absence of neurological disturbances.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1778153PMC
http://dx.doi.org/10.1136/adc.62.1.78DOI Listing

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