TY  - RPRT
TI  - Practice variation in Swedish primary care.
AU  - S Peterson
AU  - M Eriksson
AU  - G Tibblin
PY  - 1997
DO  - 10.3109/02813439709018490
UR  - https://pubmed.ncbi.nlm.nih.gov/9232706/
ID  - 9232706
ER  -