Proceedings of the 2nd Experimental Chaos ConferenceWilliam L. Ditto, Louis M. Pecora, Sandeep Vohra · First published 1995Open the Tome
A survey of 143 periodontal cases in terms of age and malocclusionWilliam M. Ditto, David L. Hall, University of Michigan. School of Dentistry · First published 1953Open the Tome
