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Foster, the Conduct Problems Prevention Research Group K. A., et al. “Estimated Intervention Impact and Alternative Methods for Handling Attrition.” Evaluation Review, vol. 28, 2004, pp. 434–64.

Foster, M E, Fang, Y G, Group TCPPR. Estimated Intervention Impact and Alternative Methods for Handling Attrition. Evaluation Review. 2004;28:434–464.