@misc{indiciae03b84b880d2a, title = {Sample size calculations for clustered binary data.}, author = {S H Jung and S H Kang and C Ahn}, year = {2001}, doi = {10.1002/sim.846}, url = {https://pubmed.ncbi.nlm.nih.gov/11427953/}, note = {Source identifier: 11427953} }