Noghani, M., Rezaeizadeh, H., Fazljoo, S.M.B., Yousefifard, M. and Keshavarz, M. 2018. Gastrointestinal Headache; a Narrative Review. Archives of Academic Emergency Medicine. 4, 4 (Dec. 2018), 171–183. DOI:https://doi.org/10.22037/aaem.v4i4.246.