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Parallelism (A and B) and accuracy results (C and D) for cortisol and corticosterone enzyme immunoassays tested with pooled southern right whale baleen extract. Parallelism results (A and B) do not include dilutions above 1:4 that had non-detectable hormone; statistical results from F test slope comparison are shown in blue. Accuracy (C and D) was tested with 1:1 extract; best-fit regression equation is shown in blue.
