TY  - RPRT
TI  - Introduction.
AU  - SM Bentzen
AU  - J Overgaard
PY  - 1994
DO  - 10.1016/s1053-4296(05)80032-3
UR  - https://pubmed.ncbi.nlm.nih.gov/10717091/
ID  - 10717091
ER  -