Organization of the internal membrane system in the principal cells of the mouse epididymis after osmium impregnation Marcelle-Anne FAIN-MAUREL, Aida ABOU-HAÏLA and J. P. DADOUNE Reprod. Nutr. Dévelop., 28 5 (1988) 1237-1250 DOI: 10.1051/rnd:19880804