Smaller pineal gland is associated with rapid eye movement sleep behavior disorder in Alzheimer's disease. - Park, Jeongbin; Suh, Seung Wan; Kim, Grace Eun; Lee, Subin; Kim, Jun Sung; Kim, Hye Sung; Byun, Seonjeong; Bae, Jong Bin; Kim, Jae Hyoung; Kim, Sang Eun; Han, Ji Won; Kim, Ki Woong (Alzheimer's Research & Therapy, 2020)