JUAN MANUEL
FLECHA MARTINEZ
Ikertzailea 1991-1999 tartean
![Foto de Carmen del](/img/nophoto.png)
Carmen del
Río Gracia
Carmen del Río Gracia-rekin lankidetzan egindako argitalpenak (1)
1999
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Illegal drug-using trends among students in a Spanish university in the last decade (1984-1994)
Substance Use and Misuse, Vol. 34, Núm. 9, pp. 1281-1297