GriefMourning; Grieving; Bereavement
Grief is a reaction to a major loss of someone or something. It is most often an unhappy and painful emotion.
American Psychiatric Association. Trauma- and stressor-related disorders. In: American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. 5th ed. Arlington, VA: American Psychiatric Publishing. 2013:265-290.
Powell AD. Grief, bereavement, and adjustment disorders. In: Stern TA, Fava M, Wilens TE, Rosenbaum JF, eds. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 2nd ed. Philadelphia, PA: Elsevier; 2016:chap 38.