Year Authors/Creators Item Type Full Text

Article

Selection bias and patterns of confounding in cohort studies: the case of the NINFEA web-based birth cohort. (2011) Pizzi, C.; de Stavola, BL.; Pearce, N.; Lazzarato, F.; Ghiotti, P.; Merletti, F.; Richiardi, L.

Are estimates of socioeconomic inequalities in chronic disease artefactually narrowed by self-reported measures of prevalence in low-income and middle-income countries? Findings from the WHO-SAGE survey. (2014) Vellakkal, S.; Millett, C.; Basu, S; Khan, Z.; Aitsi-Selmi, A.; Stuckler, D; Ebrahim, S