CJCP     2004 6 (3):  207-210    ISSN: 1008-8830  CN: 43-1301/R Influence of cerebral hemodynamics changes during headache-free periods on th efficacy migraine prophylaxis ZHOU Ke-Ying, WEN Fei-Qiu, WANG Yu-Zhen, KUANG Run-Jiao, CHEN Ting, YANG Chun-He Received: null  Revised: null  Online: null Supporting info