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Gao, S., Lv, Z. & Fang, H. Answer to the Letter to the Editor of Qi Sun et al. concerning “Robot-assisted and conventional freehand pedicle screw placement: a systematic review and meta-analysis of randomized controlled trials” by Gao ST, et al. (Eur Spine J; 2017: DOI 10.1007/s00586-017-5333-y). Eur Spine J 27, 933–934 (2018). https://doi.org/10.1007/s00586-018-5493-4
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DOI: https://doi.org/10.1007/s00586-018-5493-4