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Paired NP and MEF samples simultaneously collected from same visit of same children, and correlation of IgG and IgA levels in NP to MEF was analyzed using Spearman Coefficient. A, anti-PhtD IgG, B, anti-PcpA IgG; C; anti-PlyD1 IgG; D, anti-PhtD IgA, E, anti-PcpA IgA; F; anti-PlyD1 IgA.
