TY  - GEN
AU  - Gust, Steven W.
AU  - Walsh, J. Michael
AU  - Thomas, Linda B.
AU  - Crouch, Charles
TI  - Drugs in the workplace : research and evaluation data : volume 2 [PDF]
T2  - NIDA research monograph series
PY  - 1991///
CY  - Rockville
PB  - NIDA
KW  - arbeid
KW  - drugs
KW  - epidemiologie
KW  - gedrag
UR  - http://www.google.com/search?q=drugs-in-the-workplace research-and-evaluation-data II
ER  -