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Effects of experimental incubation temperatures on changes in telomere length with age. stED13 represents a standardized developmental stage between experimental groups as explained in the methods; D1 = day after hatching, D20 = chick and D60 = adult. Data plotted as means ± s.e. Details of statistical tests are given in the text, solid lines indicate longitudinal data and dotted lines cross-sectional data, and numbers in brackets represent sample sizes. (Online version in colour.)
