1-http://www.dailymotion.com/user/Introcrate/video/x9k4rc_drogues-et-dependances-multiples-1_news
2-http://www.dailymotion.com/user/Introcrate/video/x9k4m6_drogues-et-dependances-multiples-2_news
3-http://www.dailymotion.com/user/Introcrate/video/x9k49b_drogues-et-dependances-multiples-3_news
4- >>>>>>>>>>>>>>>>[clické sur (+) pour déployer la suite caché]#juste-ici-sous-cette-flèche : \/

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liens supplémentaires
http://sciencesetavenirmensuel.nouvelobs.com/hebdo/parution/p740/articles/a384020-une_nouvelle_piste_pour_comprendre_laddiction.html

http://sante.canoe.com/channel_health_features_details.asp?channel_id=33&relation_id=152&health_feature_id=197&article_id=633

http://www.dependance.ca/index.php