TY  - RPRT
TI  - Plaque development and gingivitis in the primary dentition.
AU  - S B Mackler
AU  - J J Crawford
PY  - 1973
DO  - 10.1902/jop.1973.44.1.18
UR  - https://pubmed.ncbi.nlm.nih.gov/4509109/
ID  - 4509109
ER  -