TY  - RPRT
TI  - Ultrastructural observations on human coronal dentin.
AU  - L Tronstad
PY  - 1973
DO  - 10.1111/j.1600-0722.1973.tb01500.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4513437/
ID  - 4513437
ER  -