1. I. L. Shannon,IRCS Medical Sciences: Alimentary System; Biochemistry; Clinical Biochemistry; Dentistry and Oral Biology; Physiology 9, 90 (1980).
2. I. D. Mandel,CRC Critical Review in Clinical Laboratory Sciences, CRC Press, Boca Raton, FL, (1980).
3. I. Kleinberg, S. A. Ellison, and I. D. Mandel, eds.,Saliva and Dental Caries, Information Retrieval Inc., NY, (1979).
4. W. S. Cherwick, H. J. Eichel, and G. J. Barbero,J. Pediat. 65, 694 (1964).
5. F. Reynolds, N. F. Jones, P. H. Ziroyanis, and S. W. Smith,Lancet II, 384 (1976).