2 https://pubmed.ncbi.nlm.nih.gov/30648537/ 3 https://www.firerescue1.com/fire-products/vehicles/ambulances/articles/why-running-lights-and-sirens-is- dangerous-nHnR5EPEXd3SzfIt/ 4 https://www.ems1.com/ems-products/ambulance-safety/articles/team-driven-driven-improvement-in-the-the-the--use-of-light-------------------------------------------------- of-light-sirens-6ycxoie9akfbnzun/