论文信息 - Low vitamin B-12 concentrations in patients without anemia: the effect of folic acid fortification of grain. - 字舞流文

Low vitamin B-12 concentrations in patients without anemia: the effect of folic acid fortification of grain.

J. Mills | D. Dufour | R. Dufour | M. Conley | R. E. Williamson | Isabelle Von Kohorn | J. Zeller | Christopher Cox | I. Kohorn