“…Project administration: Wen-Harn Koh. [12] 108 Boy Respiratory distress, chest pain + Naess et al [13] 9 Boy Respiratory distress, irritable high-pitched cry Pelech et al [14] 24 Boy respiratory distress, abdominal pain Song et al [15] 96 Boy respiratory distress, chest pain, nonbilious vomiting Anekar et al [9] 10 Boy Respiratory distress + García et al [16] 144 Boy Respiratory distress Fuller et al [17] 18 Girl Abdominal pain + Hooker et al [18] 53 Boy Respiratory distress + Guo et al [19] 72 Boy Respiratory distress + Guo et al [19] 28 Boy Respiratory distress + Guo et al [19] 156 Girl Respiratory distress, chest pain, vomiting + Rathinam et al [20] 120 Boy Respiratory distress, epigastric pain, vomiting + Ahn et al [21] 9 Boy Respiratory distress + Sridhar et al [22] 29 Boy Respiratory distress + Snyder et al [23] 2 Girl Respiratory distress, excessive crying, irritability + Al Ghafri et al [24] 35 Girl Abdominal pain + This article NG tube = Nasogastric tube…”