TY  - RPRT
TI  - The "Intervention Index": insufficient information.
AU  - T E Kottke
PY  - 1992
DO  - 10.1016/0895-4356(92)90183-n
UR  - https://pubmed.ncbi.nlm.nih.gov/1738007/
ID  - 1738007
ER  -