RT Journal Article SR Electronic T1 Adjunctive treatment with melatonin receptor agonists for older delirious patients with the sundowning phenomenon JF Journal of Psychiatry and Neuroscience JO J Psychiatry Neurosci FD Canadian Medical Association SP E25 OP E26 DO 10.1503/jpn.140166 VO 40 IS 2 A1 Ta-Chuan Yeh A1 Chin-Bin Yeh A1 Nian-Sheng Tzeng A1 Wei-Chung Mao YR 2015 UL http://jpn.ca/content/40/2/E25.abstract