TY  - RPRT
TI  - Problem behavior and psychiatric impairment within a developmentally disabled population. II: Behavior severity.
AU  - J W Jacobson
PY  - 1982
DO  - 10.1016/s0270-3092(82)80004-0
UR  - https://pubmed.ncbi.nlm.nih.gov/7168573/
ID  - 7168573
ER  -