@misc{indiciaedf9f58a02cd8, title = {Analyzing excessive no changes in clinical trials with clustered data.}, author = {Shou-En Lu and Yong Lin and Wei-Chung Joe Shih}, year = {2004}, doi = {10.1111/j.0006-341x.2004.00155.x}, url = {https://pubmed.ncbi.nlm.nih.gov/15032797/}, note = {Source identifier: 15032797} }