TY - JOUR AU - Nurmi, J; Harjola, V P; Nolan, J; Castren, M TI - Observations and warning signs prior to cardiac arrest. Should a medical emergency team intervene earlier? JO - Acta Anaesthesiol Scand VL - 49 PY - 2005 DO - 10.1111/j.1399-6576.2005.00679.x SP - 702 EP - 706 ER -