@article{article93300eac, title = {Fracture strength of amalgam restorations in modern class II preparations with proximal retentive grooves}, author = {Mondelli, José and Ishikiriama, Aquira and Navarro, Maria Fidela de Lima and Galan Junior, João and Coradazzi, João Lúcio}, year = {1974}, doi = {10.1016/0022-3913(74)90012-2}, journal = {Journal of Prosthetic Dentistry} }