Aufsatz(elektronisch)#12020U.S. Trends in Adolescent Substance Use and Conduct Problems and Their Relation to Trends in Unstructured In-Person Socializing With PeersBorodovsky, Jacob; Krueger, Robert F.; Agrawal, Arpana; Elbanna, Basant; de Looze, Margaretha; Grucza, RichardBorodovsky, Jacob; Krueger, Robert F.; Agrawal, Arpana; Elbanna, Basant; de Looze, Margaretha; Grucza, RichardBestellen über Zugriff(Open Access)Bestellen über Zugriff(Open Access)Bestellen über Subito