Correlates of plasma homocysteine, cysteine and cysteinyl-glycine in respondents in the British National Diet and Nutrition Survey of young people aged 4-18 years, and a comparison with the survey of people aged 65 years and over - Bates,C.J.; Mansoor,M.A.; Gregory,J.; Pentiev,K.; Prentice,A. (Br J Nutr, 2002)