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A study of migraine states that a total of 140 patients with migraine without aura...

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A study of migraine states that a total of 140 patients with migraine without aura were recruited and assigned randomly to 2 different groups the acupuncture group treated with verum acupuncture plus placebo and the control group treated with sham acupuncture plus flunarizine This is a longitudinal cohort a cross sectional survey anecdotal evidence a matched pairs experiment a completely randomized experiment a case control study O a voluntary sample

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