Community intervention to improve defibrillation before ambulance arrival in residential neighbourhoods with a high risk of out-of-hospital cardiac arrest: study protocol of a cluster-randomised trial (the CARAMBA trial).
Anne Juul GrabmayrCarolina Malta HansenNanna BoAnnam Pervez SheikhChristian HassagerAnnette ErsbøllJesper KjærgaardFreddy LippertTine Tjørnhøj-ThomsenGunnar GislasonChristian Torp-PedersenFrederik FolkePublished in: BMJ open (2023)
ClinicalTrials.gov Registry (NCT04446585).