RT Journal A1 Zuckerman, Joseph D. T1 Hemiarthroplasty Improved Health-Related Quality of Life More Than Nonoperative Treatment in Older Patients with Four-Part Proximal Humeral Fractures JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2012 FD May 16 VO 94 IS 10 SP 942 OP 942 DO 10.2106/JBJS.9410.ebo159 UL http://dx.doi.org/10.2106/JBJS.9410.ebo159 AB