D R Bristol

A clinical trial with an interim analysis.

P Y Chi, D R Bristol, J V Castellana, 1986, Statistics in medicine.

A one-sided interim analysis with binary outcomes.

D R Bristol, D. Bristol, 1988, Controlled clinical trials.

A Markovian model for comparing incidences of side effects.

H. I. Patel, D R Bristol, H I Patel, 1990, Statistics in medicine.

Sample sizes for constructing confidence intervals and testing hypotheses.

D R Bristol, D. Bristol, 1989, Statistics in medicine.

Determining equivalence and the impact of sample size in anti-infective studies: a point to consider.

D R Bristol, D. Bristol, 1996, Journal of biopharmaceutical statistics.