Assessing the Longitudinal outcomes of Piperacillin/tazobactam versus ceftriAxone and metronidazole for Children with perforated Appendicitis (ALPACA): A protocol for a pilot randomized controlled trial - Daniel Briatico; Nadia Safa; Helene Flageole; Sarah Khan; Jeffrey Pernica; Mohamed Eltorki; Eyal Cohen; Michael H. Livingston (PLoS ONE, 2025)