Confounding and selection bias in case control studies
By: Roderick J.A. Little, Paul R. Rosenbaum
Contributors: Rosenbaum, Paul R; United States. Environmental Protection Agency. Office of Radiation Programs. Division of Statistics and Applied Mathematics
Publisher: Division of Statistics and Applied Mathematics, Office of Radiation Programs, U.S. Environmental Protection Agency
Published: 1981
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Biometry -- Mathematical models
Notes: "January 1981."

"EPA 520/8-81-004."

Includes bibliographical references