References

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Rudman, D., A. G. Feller, H. S. Nagraj, G. A. Gergans, P. Y. Lalitha, A. F. Goldberg, R. A. Schlenker, L. Cohn, I. W. Rudman, and D. E. Mattson. “Effects of Human Growth Hormone in Men over 60 Years Old.” The New England Journal of Medicine. July 05, 1990. Accessed April 26, 2019. https://www.ncbi.nlm.nih.gov/pubmed/2355952.