Three different methods for the determination of total homocysteine in plasma - Te Poele-Pothoff, MTWB; Van den Berg, M; Franken, DG; Boers, GHJ; Jacobs, C; De Kroon, IFI; Eskes, TKAB; Trijbels, JMF; Blom, HJ (Ann Clin Biochem, 1995)