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"DT4." Fullformexpand.com, https://www.fullformexpand.com/dt4/d-thyroxine. Accessed 18 Feb. 2026.
Fullformexpand.com, 2026. "DT4." Accessed February 18, 2026. https://www.fullformexpand.com/dt4/d-thyroxine.
"DT4." (n.d.). Fullformexpand.com. Retrieved February 18, 2026, from https://www.fullformexpand.com/dt4/d-thyroxine.
DT4. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/dt4/d-thyroxine (Accessed: 18 February 2026).