Five-year follow-up of the fluorouracil filtering surgery study

J. Schiffman, W. L.M. Alward, T. Farrell, S. Hayreh, H. Kolder, B. Carney, C. Phelps, M. Gressel, J. Costin, P. Craven, M. Zgrabik, P. Schremp, B. Simashkevich, D. K. Heuer, G. Baerveldt, D. Minckler, J. Irvine, R. Green, P. McDonnell