TY  - RPRT
TI  - Relations between hyperactive and aggressive behavior and peer relations at three elementary grade levels.
AU  - A W Pope
AU  - K L Bierman
AU  - G H Mumma
PY  - 1989
DO  - 10.1007/bf00917397
UR  - https://pubmed.ncbi.nlm.nih.gov/2754112/
ID  - 2754112
ER  -