
Auteur PORTILLA M. P. G.
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Documents disponibles écrits par cet auteur (1)

P. A. SAIZ ; PORTILLA M. P. G. ; PAREDES B. ; J. DELGADO ; S. MARTINEZ ; M. T. BASCARAN ; J. BOBES | 2003
PériodiqueENGLISH : Aim: To describe the prevalence of cocaine and other drug use in secondary school students in Oviedo (Asturias, Northern Spain) and determine the personality features and levels of sensation seeking in cocaine users. Methods: 2,862 s[...]