@article{54eb425cd7ac4382913abbeb6c0c18e6,
title = "On the nature and analysis of clustered data",
keywords = "Analysis bias, Clustered data analysis, Intraclass correlation, Sample size estimation",
author = "Zyzanski, {Stephen J.} and Flocke, {Susan A.} and Dickinson, {L. Miriam}",
year = "2004",
month = may,
doi = "10.1370/afm.197",
language = "English (US)",
volume = "2",
pages = "199--200",
journal = "Annals of family medicine",
issn = "1544-1709",
publisher = "Annals of Family Medicine, Inc",
number = "3",
}