TY - RPRT TI - Measuring interrater reliability among multiple raters: an example of methods for nominal data. AU - K L Posner AU - P D Sampson AU - R A Caplan AU - R J Ward AU - F W Cheney PY - 1990 DO - 10.1002/sim.4780090917 UR - https://pubmed.ncbi.nlm.nih.gov/2244082/ ID - 2244082 ER -