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"BPI-SF." Fullformexpand.com, https://www.fullformexpand.com/bpi-sf/brief-pain-inventory-short-form. Accessed 20 Feb. 2026.
Fullformexpand.com, 2026. "BPI-SF." Accessed February 20, 2026. https://www.fullformexpand.com/bpi-sf/brief-pain-inventory-short-form.
"BPI-SF." (n.d.). Fullformexpand.com. Retrieved February 20, 2026, from https://www.fullformexpand.com/bpi-sf/brief-pain-inventory-short-form.
BPI-SF. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/bpi-sf/brief-pain-inventory-short-form (Accessed: 20 February 2026).