TY - JOUR A1 - Hsich, E. A1 - Gorodeski, E.Z. A1 - Blackstone, E.H. A1 - Ishwaran, H. A1 - Lauer, M.S. T1 - Identifying important risk factors for survival in patient with systolic heart failure using random survival forests Y1 - 2011 DO - 10.1161/CIRCOUTCOMES.110.939371 VL - 4 IS - 1 ER -