"Smaller pineal gland is associated with rapid eye movement sleep behavior disorder in Alzheimer's disease"
Jeongbin Park, Seung Wan Suh, Grace Eun Kim, Subin Lee, Jun Sung Kim, Hye Sung Kim, Seonjeong Byun, Jong Bin Bae, Jae Hyoung Kim, Sang Eun Kim, Ji Won Han, Ki Woong Kim, ALZHEIMERS RESEARCH & THERAPY, 10.1186/s13195-020-00725-z.