*Welch AA, Mulligan A, Bingham SA, Khaw KT.Br ''Urine pH is an indicator of dietary acid-base load, fruit and vegetables and meat intakes: results from the European Prospective Investigation into Cancer and Nutrition (EPIC)-Norfolk population study.'', Br J Nutr. 2008 Jun;99(6):1335-43. Epub 2007 Nov 28.