TY  - GEN
AU  - Rittenhouse, Joan Dunne
TI  - The epidemiology of heroin and other narcotics [PDF]
T2  - NIDA research monograph series
PY  - 1977///
CY  - Rockville
PB  - NIDA
KW  - drugs
KW  - epidemiologie
KW  - heroïne
KW  - methodiek
KW  - VS
UR  - http://www.google.com/search?q=The-epidemiology-of-heroin-and-other-narcotics 
ER  -