TY - JOUR A1 - Young, A.F. A1 - Powers, J.R. A1 - Bell, S.L. T1 - Attrition in longitudinal studies: Who do you lose? Y1 - 2006 DO - 10.1111/j.1467-842X.2006.tb00849.x JF - Australian and New Zealand Journal of Public Health VL - 30 IS - 4 SP - 353 EP - -361 ER -