{Reference Type}: Letter {Title}: Open online courses on basic life support: Availability and resuscitation guidelines compliance. {Author}: Birkun A;Gautam A;Trunkwala F;Böttiger BW; {Journal}: Am J Emerg Med {Volume}: 62 {Issue}: 0 {Year}: 12 2022 {Factor}: 4.093 {DOI}: 10.1016/j.ajem.2022.08.013 {Abstract}: