共 24 条
[1]
[Anonymous], SURVEYING STUDENT DR
[2]
[Anonymous], 1998, NATL SURVEY RESULTS
[4]
*EUR MON CTR DRUGS, 1997, ANN REP STAT DRUGS P
[5]
*FRENCH OBS DRUGS, 1997, DRUGS DRUG ADD IND T
[6]
Hibell B., 1997, 1995 ESPAD REPORT EU
[7]
JOHNSTON LD, 1981, MONITORING FUTURE QU
[9]
KOKKEVI A, 1993, BIBLIOTECA PSYCHIAT
[10]
KOKKEVI A, 1990, ALCOHOL DRUGS RES PO, P10