Hadianfard, Mohammadjavad, Abbas Rahimi-Jaberi, and Shahrbanoo Kazemilar. 2019. “The Effect of Methylprednisolone Acetate Injection at Cervical Trigger Points in Chronic As Well As Drug Resistant Headache”. JPMRE 1 (2):69-74. https://doi.org/10.22122/pmre.v1i2.22.