Numerical Error. In “This Month in Archives of Pediatrics & Adolescent Medicine” published in the June issue of ARCHIVES (2005;159:511), an error occurred in the summary written about the article by Paz-Bailey et al. In the last summary on page 511, the second sentence should have read: “In this study from the Centers for Disease Control and Prevention, the effect of condom use on decreasing the prevalence of chlamydia and gonorrhea was examined among more than 500 adolescent girls.”