Social problems Schmidt, L., Dohan, D., Wiley, J., Zabkiewicz, D.. Addiction and Welfare Dependency: Interpreting the Connection. Social Problems. 2002; 2(49):221-41. 2002 https://researcherprofiles.org/profile/1330894 Schmidt, L., Dohan, D., Wiley, J., Zabkiewicz, D.