Park P, Fu KM, Eastlack RK, Tran S, Mundis GM, Uribe JS, Wang MY, Than KD, Okonkwo DO, Kanter AS, Nunley PD, Anand N, Fessler RG, Chou D, Oppenlander ME, Mummaneni PV. Is achieving optimal spinopelvic parameters necessary to obtain substantial clinical benefit? An analysis of patients who underwent circumferential minimally invasive surgery or hybrid surgery with open posterior instrumentation. J Neurosurg Spine. 2019 Feb 22; 1-6.