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Cheung, I. Y.; Cheung, N. K. V. Proceedings of the American Association for Cancer Research Annual Meeting (1997)
Cheung, N. K. V.; Heller, G.; Kushner, B. H.; Liu, C.; Cheung, I. Y. Journal of Clinical Oncology (1997)
Cheung, I. Y.; Cheung, N. K. V. Clinical Cancer Research (1997)