TY  - RPRT
TI  - Early childhood testing and school learning problems: a cross-validation.
AU  - C B Jorgenson
AU  - D E Jorgenson
AU  - C M McCall
AU  - M K Gillis
PY  - 1990
DO  - 10.3109/00207459008986647
UR  - https://pubmed.ncbi.nlm.nih.gov/2265979/
ID  - 2265979
ER  -