The 'secretion' of ABO blood group substances in the saliva of vitiligo patients has been recorded elsewhere (Sehgal and Dube, 1967, 1968).In the course of those studies the ABO blood groups of all the vitiligo patients were determined as a prerequisite to testing the 'secretor' state, and the present note records these findings.
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Sehgal et al. (1968) studied this question.