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Embryonic chick weights after flaccid immobilization. Measurement of weights (g) of embryonic chicks at stages 37,40 and 44 after 1, 3 and 7 days of treatment, respectively, with Tyrode's solution (○) or pancuronium bromide to induce flaccid paralysis (•). Each point represents the mean ± standard error of mean for nine chicks. ** denotes P < 0.01 and *** denotes P < 0.001, as assessed by the Student's t-test.
