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  Indian J Med Microbiol
 

Figure 1: Correlation coefficient (r) between total immunoglobulin G (IgG) in serum and total IgE in middle-ear effusion in group 1.

Figure 1: Correlation coefficient (<i>r</i>) between total immunoglobulin G (IgG) in serum and total IgE in middle-ear effusion in group 1.