1. Pryor, J.L., Mills, S.E. and Howards, S.S.: Injury to the prepubertal vas deferens: I. Histologic analysis of pre-pubertal human vas. J. Urol.
2. Epididymis does not play an important role in the process of testicular descent;Frey;Surgical Forum,1982
3. Experimental cryptorchidism in the rat. A light and electron microscope study;Leeson;Invest. Urol.,1970
4. Vasovasostomy;Howards;Urol. Clin. North Am.,1980
5. Effects of granuloma formation at site of vasovasostomy;Carey;J. Urol.,1988