TY - RPRT TI - Pain induces decrease of blood flow in the common carotid arteries in cluster headache attacks. AU - J Hannerz AU - T Jogestrand PY - 1993 DO - 10.1046/j.1468-2982.1993.1302102.x UR - https://pubmed.ncbi.nlm.nih.gov/8495450/ ID - 8495450 ER -