1. Agrawal, Y., and Vanha-Perttula, T., 1988a, Electron microscopic study of the secretion process in bovine reproductive organs. J. Androl.9:307.
2. Agrawal, Y., and Vanha-Perttula, T., 1988b, Gamma-glutamyl transpeptidase, glutathione, and L-glutamic acid in the rat epididymis during postnatal development. Biol. Reprod.38:996.
3. Agre, P., Preston, G.M., Smith, B.L., Jung, J.S., Raina, S., Moon, C., Guggino, W.B., and Nielsen, S., 1993, Aquaporin CHIP: the archetypal molecular water channel. Am. J. Physiol.F463.
4. Aitken, R.J., 1989, The role of free oxygen radicals and sperm function. Int. J. Androl.12:95.
5. Andonian, S., and Hermo, L., 1999a, Principal cells of the vas deferens are involved in water transport and steroid synthesis in the adult rat. J. Androl.20:158.