RT Journal Article SR Electronic T1 Treatment of Acute Lymphatic Leukemia with Aminopterin JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 67 OP 71 VO 19 IS 2 A1 Cottle, Ralph I. A1 Battle, John D. YR 1952 UL http://www.ccjm.org/content/19/2/67.abstract AB