""Front ""; ""TABLE OF CONTENTS""; ""Chapter 1 Introduction""; ""Chapter 2 Theoretical background and methodological statement""; ""Chapter 3 Methods of data collection""; ""Chapter 4 The Iranian background""; ""Chapter 5 Substance use among Iranians in Belgium: description of patterns""; ""Chapter 6 Explaining second-wave refugees� patterns of use""; ""Chapter 7 Conclusion: contemporary migration and substance use""