TY  - RPRT
TI  - Implications of regional differences in spending.
AU  - George L Weber
PY  - 2004
DO  - 10.7326/0003-4819-140-2-200401200-00022
UR  - https://pubmed.ncbi.nlm.nih.gov/14734346/
ID  - 14734346
ER  -