1. AMERICAN DENTAL ASSOCIATION (1977 ) Specification No. 41 for Biological Evaluation of Dental Materials.
2. BRITISH STANDARDS INSTITUTION TECHNICAL COMMITEE Dns/8 (1978 ) Biological Testing of Dental Materials, Draft proposals.
3. Pulpal Response of Monkeys to a Composite Resin Cement
4. Edi Working Group 5 (1978 ) Specification for Biological Evaluation of Dental Materials.