The influence of chest X-ray results on antibiotic prescription for childhood pneumonia in the emergency department. - van de Maat JS; Garcia Perez D; Driessen GJA; van Wermeskerken AM; Smit FJ; Noordzij JG; Tramper-Stranders G; Obihara CC; Punt J; Moll HA; Oostenbrink R (European journal of pediatrics, 2021)