TY  - RPRT
TI  - A step function model using tooth counts to assess the developmental timing of the dentition.
AU  - C F Moorrees
AU  - R L Kent
PY  - 1978
DO  - 10.1080/03014467800002641
UR  - https://pubmed.ncbi.nlm.nih.gov/646324/
ID  - 646324
ER  -