@misc{indiciaed23b90397c37, title = {Advanced statistics: statistical methods for analyzing cluster and cluster-randomized data.}, author = {Robert L Wears}, year = {2002}, doi = {10.1111/j.1553-2712.2002.tb01332.x}, url = {https://pubmed.ncbi.nlm.nih.gov/11927463/}, note = {Source identifier: 11927463} }