Prognostic value of heart rate variability for risk of serious adverse events in continuously monitored hospital patients. - Aagaard N; Olsen MH; Rasmussen OW; Grønbaek KK; Mølgaard J; Haahr-Raunkjaer C; Elvekjaer M; Aasvang EK; Meyhoff CS (Journal of clinical monitoring and computing, 2024)