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"SDTH." Fullformexpand.com, https://www.fullformexpand.com/sdth/skin-delayed-type-hypersensitivity. Accessed 24 Feb. 2026.
Fullformexpand.com, 2026. "SDTH." Accessed February 24, 2026. https://www.fullformexpand.com/sdth/skin-delayed-type-hypersensitivity.
"SDTH." (n.d.). Fullformexpand.com. Retrieved February 24, 2026, from https://www.fullformexpand.com/sdth/skin-delayed-type-hypersensitivity.
SDTH. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/sdth/skin-delayed-type-hypersensitivity (Accessed: 24 February 2026).