Correction to: Is the exposure to bisphosphonates or osteoporosis the predictor of spinal radiographic progression in ankylosing spondylitis?

Following publication of the original article [1], the authors reported a typesetting error.

Bibliographic Details
Main Authors:	Giovanni Orsolini, Giovanni Adami, Maurizio Rossini, Angelo Fassio, Alessandro Giollo, Cristian Caimmi, Luca Idolazzi, Davide Gatti, Ombretta Viapiana
Format:	Article
Language:	English
Published:	BMC 2018-11-01
Series:	Arthritis Research & Therapy
Online Access:	http://link.springer.com/article/10.1186/s13075-018-1753-2

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