The effect of vitamin B12 deficiency on erythrocyte counts and hemoglobin levels of chick embryo blood.
D004912:Erythrocytes; D006454:Hemoglobins; D006801:Humans; D014806:Vitamin B 12 Deficiency
D006454:Hemoglobins
ERYTHROCYTES; HEMOGLOBIN; VITAMIN B12 DEFICIENCY/experimental