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(a) Pn ECL reference curve for serotype 14. Dashed lines represent lower and upper LOQs. Serotype 14 was randomly chosen for illustration purposes. (b) Pn ECL precision profile for serotype 14 for samples tested at the 1:1,000 (n = 62) and 1:100,000 (n = 12) dilutions. Ab, antibody.
