Fullformexpand.com, 2026. "PFAPA." Accessed April 16, 2026. https://www.fullformexpand.com/pfapa/periodic-fever-adenitis-pharyngitis-aphthosis.
"PFAPA." (n.d.). Fullformexpand.com. Retrieved April 16, 2026, from https://www.fullformexpand.com/pfapa/periodic-fever-adenitis-pharyngitis-aphthosis.
PFAPA. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/pfapa/periodic-fever-adenitis-pharyngitis-aphthosis (Accessed: 16 April 2026).