RT Journal Article SR Electronic T1 Headache JF Neurology: Clinical Practice FD Lippincott Williams & Wilkins SP 271 OP 272 DO 10.1212/CPJ.0000000000000615 VO 9 IS 3 A1 Jennifer Robblee A1 Shawna Kelly YR 2019 UL http://cp.neurology.org/content/9/3/271.abstract AB