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Antibody levels in a small group of Sudanese patients with clinically diagnosed mycetoma, and control groups were measured by countercurrent immunoelectrophoresis (CIE) and enzyme linked immunosorbent assay (ELISA). Antigens were prepared from the following organisms: Streptomyces somaliensis, Actinomadura madurae, A. pelletieri, Nocardia brasiliensis and Madurella mycetomi. Positive reactions were obtained in clinical cases against the homologous antigens in both CIE and ELISA; all heterologous and control sera negative in CIE but produced some reaction particularly against N. brasiliensis and M. mycetomi antigens in ELISA.
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McLaren et al. (1978) studied this question.
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