Z Feng

Selected statistical issues in group randomized trials.

P Diehr, Z Feng, A Peterson, 2001, Annual review of public health.

Correlated binomial variates: properties of estimator of intraclass correlation and its effect on sample size calculation.

Z Feng, Z. Feng, J. Grizzle, 1992, Statistics in medicine.

Explaining community-level variance in group randomized trials.

T D Koepsell, P Diehr, Z Feng, 1999, Statistics in medicine.