TY  - RPRT
TI  - Controversies in dentistry.
AU  - J K Harcourt
PY  - 1987
DO  - 10.1111/j.1834-7819.1987.tb04161.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3479969/
ID  - 3479969
ER  -