Using GHQ (general health questionnaire) and PQ (physical questionnaire) scores, we have assessed the treatment of chronic fatigue syndrome with a vitamins and minerals mixture, using a placebo-controlled, cross-over study. The vitamins and minerals treatment gave symptom scores that indicated better recovery than placebo treatment, but an analysis of variance indicated that the treatment effect was not significant.
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Martin et al. (1994) studied this question.
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