This appendix has been provided by the authors to give readers additional information about their work.

Download the PDF of Supplementary Appendix. Walkup JT et al. Cognitive Behavioral Therapy, Sertraline, or a Combination in Childhood Anxiety. N Engl J Med 2008;359:2753-66. DOI: 10.1056/NEJMoa0804633.

(PDF updated December 19, 2008.)

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