A 15-Year Follow-Up Study of Sense of Humor and Causes of Mortality: The Nord-Trøndelag Health Study Romundstad, Solfrid; Svebak, Sven; Holen, Are; More Romundstad, Solfrid; Svebak, Sven; Holen, Are; Holmen, Jostein Less Psychosomatic Medicine. 78(3):345-353, April 2016. Abstract Abstract Favorite PDF Permissions Buy