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"IGF-1." (n.d.). Fullformexpand.com. Retrieved May 2, 2026, from https://www.fullformexpand.com/igf-1/insulin-like-growth-factor-1.
IGF-1. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/igf-1/insulin-like-growth-factor-1 (Accessed: 2 May 2026).