Learning Point of the Article: Free-hand technique is safe and effective method of pedicle screw instrumentation for correction of AIS, however care should be taken as some inherent factors may influence the risk of pedicle screw breach. Case Report | Volume 11 | Issue 1 | JOCR January 2021 | Page 38-44 | Didik Librianto, Ifran Saleh, Fachrisal, Widyastuti Srie Utami, Witantra Dhamar Hutami . DOI:...

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