TY  - RPRT
TI  - Method for objective measure of developmental progress.
AU  - L H BLUM
AU  - N D FIELDSTEEL
PY  - 1952
DO  - 10.1001/archpedi.1952.02040070052005
UR  - https://pubmed.ncbi.nlm.nih.gov/14902078/
ID  - 14902078
ER  -