Occurrence, distribution and origin of peptide-containing nerves of guinea pig and male rat genitalia and the effects of denervation on sperm characteristics - Carvalho, T L; Hodson, N P; Blank, M A; Watson, P F; Muldurry, P K; Bishop, A E; Gu, J; Bloom, S R; Polak, J M (J Anat, 1986)