TY  - RPRT
TI  - A productive experiment with administrative data.
AU  - N P Roos
AU  - E Shapiro
PY  - 1995
DO  - 10.1097/00005650-199512001-00004
UR  - https://pubmed.ncbi.nlm.nih.gov/7500671/
ID  - 7500671
ER  -