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Seaman E, Whang M, Olsson CA, Katz A, Cooner WH, Benson MC.Seaman E, et al. Among authors: benson mc.Urol Clin North Am. 1993 Nov;20(4):653-63.Urol Clin North Am. 1993.PMID: 7505973
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Goluboff ET, Benson MC.Goluboff ET, et al. Among authors: benson mc.Urol Clin North Am. 1996 Nov;23(4):617-21. doi: 10.1016/s0094-0143(05)70340-2.Urol Clin North Am. 1996.PMID: 8948415Review.