TY - JOUR A1 - Eikemo, T.A. A1 - Skalická, V. A1 - Avendano, M. T1 - Variations in relative health inequalities: Are they a mathematical artefact? Y1 - 2009 DO - 10.1186/1475-9276-8-32 VL - 8 IS - 1 ER -