Greater occipital nerve blocks in the treatment of refractory chronic migraine: An observational report of nine cases
Abdulkadir Koçer, Department of Neurology, Göztepe Teaching Hospital, Istanbul Medeniyet University Medical Faculty, 34100 Istanbul, Turkey
Author contributions: Koçer A planned and wrote the paper.
Institutional review board statement: No need.
Informed consent statement: All study participants provided informed written consent prior to injections.
Conflict-of-interest statement: Nothing to be declared.
Data sharing statement: No additional data are available.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Abdulkadir Koçer, MD, MSc, Profesor of Neurology, Department of Neurology, Göztepe Teaching Hospital, Istanbul Medeniyet University Medical Faculty, Erkin Street, Number 4, 34100 Istanbul, Turkey. email@example.com
Telephone: +90-50-54262828 Fax: +90-21-65709050
Received: April 29, 2016
Peer-review started: April 29, 2016
First decision: June 17, 2016
Revised: July 21, 2016
Accepted: August 6, 2016
Article in press: August 8, 2016
Published online: October 16, 2016