TY  - RPRT
TI  - Analyzing k (2 x 2) tables under cluster sampling.
AU  - M D Begg
PY  - 1999
DO  - 10.1111/j.0006-341x.1999.00302.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11318173/
ID  - 11318173
ER  -