1. Croup;Johnson DW;BMJ Clin Evid,2014
2. Croup in children;Bjornson CL;CMAJ,2013
3. Laryngotracheobronchitis;Ernest S,2021
4. Croup: an overview;Zoorob R;Am Fam Phys,2011
5. Evaluation of recent updates regarding diagnosis and management of croup in children;Alsaeed RA;Arch Pharma Pract,2019