@article{articlea9c74c30, title = {Ha collagen complex for bone cavity filling. Histologial study}, author = {Marcantonio Junior, E and Vargas Neto, J and Marzola, F H and Marcantonio, R A C and Lia, R C C and Goissis, Gilberto and Plepis, Ana Maria de Guzzi}, year = {1994}, journal = {Journal of Dental Research} }