Sickness present with signs of burnout: The relationship between burnout and sickness presenteeism among university hospital physicians in four European countries / Sickness present with signs of burnout: The relationship between burnout and sickness presenteeism among university hospital physicians in four European countries - Thun, Sylvi; Fridner, Ann; Minucci, Daria; Lövseth, Lise Tevik (Scandinavian Psychologist, 2014)