Letter: Macrocytosis and cyclophosphamide.
D001379:Azathioprine / Q000009:adverse effects*; D001855:Bone Marrow Diseases / Q000139:chemically induced*; D003520:Cyclophosphamide / Q000009:adverse effects*; D004912:Erythrocytes / Q000187:drug effects; D006801:Humans
D003520:Cyclophosphamide; D001379:Azathioprine