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. Author manuscript; available in PMC: 2014 Jul 25.
Published in final edited form as: Am J Obstet Gynecol. 2013 Apr 9;209(2):116.e1–116.e5. doi: 10.1016/j.ajog.2013.04.006

FIGURE 3. Plasma growth hormone concentrations over time.

FIGURE 3

A, Plasma growth hormone levels at times 8–10 PM, 12–2 AM, and 4–8 AM. Kruskal-Wallis, P=.45. B, Plasma growth hormone levels at 8 PM to 2 AM and 4–8 AM. Mann-Whitney U, P = .74. The bars indicate standard error.