Multidose Ondansetron after Emergency Visits in Children with Gastroenteritis - Stephen B. Freedman; Sarah Williamson-Urquhart; Amy C. Plint; Andrew Dixon; Darcy Beer; Gary Joubert; Petros Pechlivanoglou; Yaron Finkelstein; Anna Heath; Jasper Zhongyuan Zhang; Angela Wallace; Martin Offringa; et al. (New England Journal of Medicine, 2025)