RT Journal Article SR Electronic T1 An unusual flight-associated occipital headache JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 65 OP 66 DO 10.17712/nsj.2017.1.20150511 VO 22 IS 1 A1 Nath, Shivika A1 Saxena, Ashok K. YR 2017 UL http://nsj.org.sa/content/22/1/65.abstract AB