TY  - RPRT
TI  - Tooth ring analysis in mongolism.
AU  - N P Johnson
AU  - A O Watson
AU  - M Massier
PY  - 1965
DO  - 10.1111/j.1834-7819.1965.tb01642.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4220512/
ID  - 4220512
ER  -