TY - JOUR T1 - Sphenopalatine ganglion block followed by an epidural blood patch for postdural puncture headache management in postpartum patients: is it a confounder? JF - Regional Anesthesia & Pain Medicine JO - Reg Anesth Pain Med SP - 609 LP - 609 DO - 10.1136/rapm-2018-100046 VL - 44 IS - 5 AU - Rita Araújo AU - Sílvia Pinho AU - João Xavier AU - Hermínia Cabido AU - Carla Cavaleiro AU - Humberto Machado Y1 - 2019/05/01 UR - http://rapm.bmj.com/content/44/5/609.1.abstract N2 - ER -