TY  - RPRT
TI  - Behavior problems in elementary school children a follow-up study.
AU  - J B Victor
AU  - C F Halverson
PY  - 1976
DO  - 10.1007/bf00917602
UR  - https://pubmed.ncbi.nlm.nih.gov/1270696/
ID  - 1270696
ER  -