J. M. Lang

Estimating the effect of the run-in on the power of the Physicians' Health Study.

N. Cook, J. Buring, B. Rosner, 1991, Statistics in medicine.

Twenty-First Century Community Learning Centers' teacher perspectives on the academic achievement of students with disabilities

J. M. Lang, 2012 .

The use of a run-in to enhance compliance.

J. M. Lang, Janet M. Lang, 1990, Statistics in medicine.