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Figure 1: Mean IgA, IgG and total immunoglobulin concentrationsin serum NDC No dental caries, LDC Low dental caries, MDC Moderate dental caries, HDC High dental caries

Figure 1: Mean IgA, IgG and total immunoglobulin concentrationsin serum
NDC  No dental caries, LDC  Low dental caries, MDC  Moderate dental caries, HDC  High dental caries