Association between boarding in the emergency department and in-hospital mortality: A systematic review. oleh Zoubir Boudi, Dominique Lauque, Mohamed Alsabri, Linda Östlundh, Churchill Oneyji, Anna Khalemsky, Carlos Lojo Rial, Shan W Liu, Carlos A Camargo, Elhadi Aburawi, Martin Moeckel, Anna Slagman, Michael Christ, Adam Singer, Karim Tazarourte, Niels K Rathlev, Shamai A Grossman, Abdelouahab Bellou