Navy:10.3171/2010.1.FOCUS102 Navy:10.3171/2010.1.FOCUS09305 Navy:10.3171/2010.2.FOCUS1022 Navy:10.3171/2010.2.FOCUS1036 Navy:10.3171/2011.10.SPINE11116 Navy:10.3171/2014.6.SPINE13401 Navy:10.3171/2014.7.SPINE13747 Navy:10.3171/2016.5.SPINE151319 Navy:10.3171/jns.1973.38.2.0155 Navy:10.3171/jns.1973.38.2.0218 Navy:10.3171/jns.1973.39.2.0167 Navy:10.3171/jns.1973.39.4.0545 Navy:10.3171/jns.1974.41.5.0618 Navy:10.3171/jns.1975.42.3.0358 Navy:10.3171/jns.1979.50.4.0512 Navy:10.3171/jns.1981.55.4.0643 Navy:10.3171/jns.1983.58.5.0749 Navy:10.3171/jns.1984.60.2.0257 Navy:10.3171/jns.1984.60.3.0595 Navy:10.3171/jns.1984.60.6.1312 Navy:10.3171/jns.1984.61.1.0184 Navy:10.3171/jns.1985.63.1.0125 Navy:10.3171/jns.1986.64.3.0386 Navy:10.3171/jns.1989.70.1.0097 Navy:10.3171/jns.1993.79.3.0434 Navy:10.3171/jns.1994.81.6.0924 Navy:10.3171/jns.1998.88.1.0151 Navy:10.3171/jns.2003.98.1.0082 Navy:10.3171/jns.2003.98.4.0800 Navy:10.3171/jns.2005.103.1.0186 Navy:10.3171/jns.2006.105.4.636 Navy:10.3171/JNS/2008/108/5/0950 Navy:10.3171/ped.2006.105.1.55