TY  - RPRT
TI  - Marginal bone level in the normal primary dentition.
AU  - B Sjödin
AU  - L Matsson
PY  - 1992
DO  - 10.1111/j.1600-051x.1992.tb01717.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1430295/
ID  - 1430295
ER  -