1. Pulp testing by determination of fusion frequency;Burrill;J Dent Res,1962
2. Non-invasive recording of blood flow in human dental pulp;Gazelius;Endod Dent Traumatol,1986
3. Oral and Maxillofacial Radiology
4. Roentgenographic and direct observation of experimental lesions in bone: I. 1961;Bender;J Endod,2003
5. Roentgenographic and direct observation of experimental lesions in bone: II. 1961;Bender;J Endod,2003