Katz, M. H. (2006). Multivariable analysis: A practical guide for clinicians (2nd ed.). Cambridge University Press.

Katz, Mitchell H. Multivariable Analysis: A Practical Guide for Clinicians. 2nd ed. Cambridge ; New York: Cambridge University Press, 2006.

Katz, Mitchell H. Multivariable Analysis: A Practical Guide for Clinicians. 2nd ed. Cambridge University Press, 2006.