Article PDF
Rights and permissions
About this article
Cite this article
Neil Livingstone Ward, D.D.S., F.R.A.C.D.S., L.D.S. Br Dent J 139, 375 (1975). https://doi.org/10.1038/sj.bdj.4803629
Published:
Issue Date:
DOI: https://doi.org/10.1038/sj.bdj.4803629