RT Journal Article SR Electronic T1 Risk factors in relation to prognosis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 147 OP 150 VO 45 IS 1 A1 Oberman, Albert A1 Baldone, James C. YR 1978 UL http://www.ccjm.org/content/45/1/147.abstract AB