Tetè, S.; Vinci, R.; Zizzari, V.; Zara, S.; La Scala, V.; Cataldi, A.; Gherlone, E.; Piattelli, A. Maxillary Sinus Augmentation Procedures through Equine-Derived Biomaterial or Calvaria Autologous Bone: Immunohistochemical Evaluation of OPG/RANKL in Humans. Eur J Histochem 2013, 57, e10.