Kooman JP, Deutz NE, Zijlmans P, van den Wall Bake A, Gerlag PG, van Hooff JP, Leunissen KM. The influence of bicarbonate supplementation on plasma levels of branched-chain amino acids in haemodialysis patients with metabolic acidosis. Nephrol Dial Transplant. 1997 Nov; 12(11):2397-401.