Navigating through 65 years of insights: lessons learned on functional abdominal pain in children. - Rajindrajith, Shaman; Boey, Christopher Chiong-Meng; Devanarayana, Niranga Manjuri; Niriella, Madunil Anuk; Thapar, Nikhil; Benninga, Marc Alexander (European Journal of Pediatrics, 2024)