@misc{indiciae4cb5acd3cf3a, title = {Random-effects regression models for clustered data with an example from smoking prevention research.}, author = {D Hedeker and R D Gibbons and B R Flay}, year = {1994}, doi = {10.1037//0022-006x.62.4.757}, url = {https://pubmed.ncbi.nlm.nih.gov/7962879/}, note = {Source identifier: 7962879} }