TY  - GEN
AU  - Cazares, Arturo
AU  - Beatty, Lula A.
TI  - Scientific methods for prevention intervention research
T2  - NIDA research monograph series
PY  - 1994///
CY  - Rockville
PB  - NIDA
KW  - drugs
KW  - effectiviteit
KW  - onderzoek
KW  - onderzoeksmethoden
KW  - preventie
ER  -