McCullough, D. L., Oesterling, J. E., Catalona, W. J., Mettlin, C., Feightner, J. W., Paulson, D. F., & Austenfeld, M. S. (1994). Discussion. In Journal of Urology (Vol. 152, pp. 1741–1742). https://doi.org/10.1016/s0022-5347(17)32374-1

McCullough, D. L., J. E. Oesterling, W. J. Catalona, C. Mettlin, J. W. Feightner, D. F. Paulson, and M. S. Austenfeld. “Discussion.” In Journal of Urology, 152:1741–42, 1994. https://doi.org/10.1016/s0022-5347(17)32374-1.

McCullough DL, Oesterling JE, Catalona WJ, Mettlin C, Feightner JW, Paulson DF, et al. Discussion. In: Journal of Urology. 1994. p. 1741–2.

McCullough, D. L., et al. “Discussion.” Journal of Urology, vol. 152, no. 5 II, 1994, pp. 1741–42. Scopus, doi:10.1016/s0022-5347(17)32374-1.

McCullough DL, Oesterling JE, Catalona WJ, Mettlin C, Feightner JW, Paulson DF, Austenfeld MS. Discussion. Journal of Urology. 1994. p. 1741–1742.