TY  - RPRT
TI  - [Education should be about 4 years].
AU  - H Bjerrum
AU  - B Hansen
AU  - I M Larsen
AU  - P A Nielsen
PY  - 1982
UR  - https://pubmed.ncbi.nlm.nih.gov/6926255/
ID  - 6926255
ER  -