RT Journal Article SR Electronic T1 Diagnosis and Treatment of Macrocytosis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 8 OP 11 VO 16 IS 1 A1 Bortz, Donald W. A1 Haden, Russell L. YR 1949 UL http://www.ccjm.org/content/16/1/8.abstract AB