TY  - RPRT
TI  - Introduction
AU  - AK Lefvert
AU  - GK Hansson
PY  - 2000
DO  - 10.1046/j.1365-2796.2000.00661.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10762451/
ID  - 10762451
ER  -