title: Grief reactions.
mesh_terms: D000328:Adult; D000342:Affective Symptoms / Q000209:etiology; D001010:Anxiety, Separation / Q000150:complications; D002648:Child; D002675:Child, Preschool; D003643:Death; D003863:Depression / Q000209:etiology; D005086:Existentialism; D005260:Female; D006117:Grief; D006801:Humans; D008297:Male; D011602:Psychophysiologic Disorders / Q000209:etiology