Improved treatment results in boys with overt testicular relapse during or shortly after initial therapy for acute lymphoblastic leukemia. A pediatric oncology group study

G. R. Buchanan, J. M. Boyett, B. H. Pollock, S. D. Smith, R. A. Yanofsky, T. Ghim, M. D. Wharam, W. M. Crist, T. J. Vietti, W. Johnson, G. K. Rivera