Clendenen Steven, Greengrass Roy, Whalen Joseph, O'Connor Mary I
Department of Anesthesiology, Mayo Clinic, 4500 San Pablo Road South, Jacksonville, FL, 32224, USA,
Clin Orthop Relat Res. 2015 May;473(5):1845-6. doi: 10.1007/s11999-015-4201-5. Epub 2015 Feb 20.