Three-dimensional characteristics of submandibular salivary gland of ageing rats: An HRSEM study - D'Avola, Tsunae Elizabeth; Ogawa, Koichi; Silva, Micena Roberta Miranda Alves e; Motoyama, Aracy Akiko; Inácio, Edgar; König Júnior, Bruno; Watanabe, Ii-Sei (Annals of Anatomy, 2006)