TY  - RPRT
TI  - Outcomes research: getting started, defining outcomes, a framework, and data sources.
AU  - Gayle R Whitman
PY  - 2002
DO  - 10.1016/s0899-5885(02)00007-2
UR  - https://pubmed.ncbi.nlm.nih.gov/12168705/
ID  - 12168705
ER  -