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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Growth Horm IGF Res. 2018 Feb 6;40:69–73. doi: 10.1016/j.ghir.2018.02.001

Figure 2.

Figure 2

Tear levels of IGF-1 were unaffected by sex or time of day. There was no difference in tear IGF-1 levels between males and females (P=0.628, Mann-Whitney Rank Sum test).