共 13 条
[1]
Adlaf EM, 1996, CAN J PUBLIC HEALTH, V87, P189
[2]
Berenzon S, 1996, SALUD MENT, V19, P1
[4]
*EUR MON CTR DRUG, 1997, ANN REP STAT DRUGS P
[5]
Hibell B., 1997, 1995 ESPAD REPORT EU
[6]
JOHNSON LD, 1998, NATL SURVEY RESULTS
[8]
ROBINSTON TN, 1987, JAMA-J AM MED ASSOC, V285, P2972
[10]
Smart R. G., 1980, METHODOLOGY STUDENT