TY  - RPRT
TI  - The difference between efficacy and effectiveness research in studying attention-deficit/hyperactivity disorder.
AU  - M L Wolraich
PY  - 1999
DO  - 10.1001/archpedi.153.12.1220
UR  - https://pubmed.ncbi.nlm.nih.gov/10591296/
ID  - 10591296
ER  -