Korenbrot, C.C., I. T. Huhtaniemi and R.I. Weiner (1977), “Preputial Separation as an External Sign of Pubertal Development in the Male Rat”, Biological Reproduction, 17, 298-303.
Korenbrot, C.C., Huhtaniemi, I. T., et Weiner, R.I (1977), “Preputial Separation as an External Sign of Pubertal Development in the Male Rat”, Biological Reproduction, 17, 298-303.