From loss to loneliness: The relationship between bereavement and depressive symptoms.
Eiko I. Fried, Claudi Bockting, Retha Arjadi, Denny Borsboom, Maximilian Amshoff, Angélique O. J. Cramer, Sacha Epskamp, Francis Tuerlinckx, Deborah Carr, Margaret Stroebe (2015). From loss to loneliness: The relationship between bereavement and depressive symptoms.. Journal of Abnormal Psychology, 124(2), pp. 256-265, DOI: 10.1037/abn0000028.