Borghi, J; McIntyre, D; Akazili, J; Mtei, G; Jan, S; Goudge, J; Harris, B; Mills, A; (2009) Willingness to tolerate risk and income-related cross-subsidies within health insurance: experience from Ghana, Tanzania and South Africa. [Conference or Workshop Item] https://researchonline.lshtm.ac.uk/id/eprint/4919 Full text not available from this repository.