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Extraction efficiencies of steroids from code-1 stranded dolphin blubber (reproductive steroids n = 3; corticosteroids n = 4). The dotted line delineates 100% extraction efficiency. The box denotes the range of acceptable extraction efficiencies. The number in the bar is the percent relative standard deviation (RSD) of the measurement of endogenous hormones. Error bars are ± standard deviations
