RT Journal Article SR Electronic T1 Metabolic health changes in migrants moving from a rural to an urban environment in Tanzania JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 86 OP 86 DO 10.1136/jech.2009.096735h VO 63 IS Suppl 2 A1 N. Unwin A1 P. James A1 R. McNally YR 2009 UL http://jech.bmj.com/content/63/Suppl_2/86.abstract AB