TY  - RPRT
TI  - The general practitioner and laboratory utilization: why does it vary?
AU  - I S Kristiansen
AU  - P Hjortdahl
PY  - 1992
DO  - 10.1093/fampra/9.1.22
UR  - https://pubmed.ncbi.nlm.nih.gov/1634022/
ID  - 1634022
ER  -