Megaloblastosis.
Raya
J M
JM
D000368:Aged; D001853:Bone Marrow / Q000473:pathology*; D004913:Erythrocytes, Abnormal / Q000473:pathology; D006801:Humans; D008297:Male; D013396:Suction; D014806:Vitamin B 12 Deficiency / Q000097:blood*