TY  - JOUR
PY  - 2008//
TI  - The absence of evidence is not the same as evidence for absence!
JO  - Addiction
A1  - Bramness, Jørgen G.
A1  - Skurtveit, Svetlana
A1  - Gustavsen, Ingebjørg
A1  - Mørland, Jørg
SP  - 513
EP  - 514
VL  - 103
IS  - 3
N2  - <p>[Abstract unavailable]</p> <p>Language: en</p> 
LA  - en
SN  - 0965-2140
UR  - http://dx.doi.org/10.1111/j.1360-0443.2007.02103.x
ID  - ref1
ER  -