Editorial
Copyright ©The Author(s) 2020.
World J Psychiatr. Apr 19, 2020; 10(4): 29-33
Published online Apr 19, 2020. doi: 10.5498/wjp.v10.i4.29
Table 1 Summary of included studies
Ref.Country of originNumber of participantsAge (yr)SettingComparatorsDuration
Cummings et al[8], 2015United States22050-90Outpatient clinics, assisted living and nursing facilitiesDextromethorphan-quinidine vs placebo10 wk