RT Journal Article SR Electronic T1 An atypical cause of headache JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e252340 DO 10.1136/bcr-2022-252340 VO 15 IS 9 A1 Vicente-Pascual, Mikel A1 Conde-Martín, Adriana A1 Domenech-Cubí, Angela A1 Molins-Rojas, Cristina YR 2022 UL http://casereports.bmj.com/content/15/9/e252340.abstract AB