Ueshima, Hironobu RETRACTED: Successful cases of bilateral erector spinae plane block for treatment of tension headache. [electronic resource] - Journal of clinical anesthesia 05 2019 - 153 p. digital Publication Type: Letter; Retracted Publication ISSN: 1873-4529 Standard No.: 10.1016/j.jclinane.2018.12.009 doi Subjects--Topical Terms: AgedFemaleHumansMiddle AgedNerve Block--methodsPain Management--methodsParaspinal Muscles--diagnostic imagingTension-Type Headache--therapyTreatment OutcomeUltrasonography, Interventional