An Epidemiological Study of Disorders in Late Childhood and Adolescence—I. Age‐ and Gender‐Specific PrevalencePatricia Cohen, Elmer L. Streuning, Claudia Hartmark et al.|Journal of Child Psychology and Psychiatry|1993Cited by 969
The Problem of Units and the Circumstance for POMPPatricia Cohen, Stephen G. West, Jacob Cohen et al.|Multivariate Behavioral Research|1999Cited by 907