Goffe, L., Wrieden, W., Penn, L., Hillier-Brown, F., Lake, A., Araujo-Soares, V., Summerbell, C., White, M., Adamson, A., Adams, J., "Reducing the Salt Added to Takeaway Food: Within-Subjects Comparison of Salt Delivered by Five and 17 Holed Salt Shakers in Controlled Conditions", PLoS ONE, 2016