Comparison of two ultrasound-guided techniques for greater occipital nerve injections in chronic migraine: a double-blind, randomized, controlled trial
David Flamer, Husni Alakkad, Neilesh Soneji, Paul Tumber, Philip Peng, Jamal Kara, Yasmine Hoydonckx, Anuj Bhatia
Regional Anesthesia & Pain Medicine May 2019, 44 (5) 595-603; DOI: 10.1136/rapm-2018-100306
