RT Journal Article SR Electronic T1 Polycythemia Vera Rubra Treated With Nitrogen Mustard JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 54 OP 55 VO 15 IS 2 A1 Bortz, Donald W. A1 Haden, Russell L. YR 1948 UL http://www.ccjm.org/content/15/2/54.abstract AB