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Von Gunten, Armin; Alnawaqil, Abdel-Messieh; Abderhalden, Christoph; Needham, Ian; Schüpbach, Brigitte (2008). Vocally disruptive behavior in the elderly: a systematic review. International psychogeriatrics, 20(4), pp. 653-672. Cambridge University Press 10.1017/S1041610208006728
