Holo-BLSD: an Augmented Reality self-directed learning and evaluation system for effective Basic Life Support Defibrillation training Andrea Bottino, Pier Luigi Ingrassia, Fabrizio Lamberti, Fernando Salvetti, Francesco Strada, Antony Vitillo (2018) Holo-BLSD: an Augmented Reality self-directed learning and evaluation system for effective Basic Life Support Defibrillation training