Fig. 1. Flow diagram of article selection. Details about articles selected for full text evaluation and a detailed rationale for article selection is shown in the appendix. PSO, pedicle subtraction osteotomy; VCR, vertebral column resection.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.