Takaki Shimura et al. 2021. Study on Color Words Pick-Out Test (CWPT) Available for Classifying the Slight Disorder on the Preclinical Stage of Dementia. New Frontiers in Medicine and Medical Research Vol. 8. (Aug. 2021), 142–150. DOI:https://doi.org/10.9734/bpi/nfmmr/v8/12198D.