TY - RPRT TI - Appropriate statistics for interrater reliability in sleep studies. AU - H C Kraemer AU - N G Bliwise AU - D L Bliwise PY - 1991 DO - 10.1093/sleep/14.1.89 UR - https://pubmed.ncbi.nlm.nih.gov/1811325/ ID - 1811325 ER -