title: Limited linear range of the abbott AxSYM serum and erythrocyte folate methods
authors: Washington University, Division of Laboratory Medicine, Box 8118, 660 S. Euclid Avenue, St. Louis, MO 63110, USA.
authors: S
authors: Manzella
authors: A
authors: Gronowski
authors: J
authors: Ladenson
authors: MG
authors: Scott