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Fig. 1 | BMC Neurology

Fig. 1

From: L-arginine and aged garlic extract for the prevention of migraine: a study protocol for a randomised, double-blind, placebo-controlled, phase-II trial (LARGE trial)

Fig. 1

Overview of flow of participants. L-arg = L-arginine; AGE = aged garlic extract; OCTA = optical coherence tomography angiography. Participant self-report long-term questionnaires consist of the Migraine-Specific Quality-of-life Questionnaire (MSQ), Short-Form McGill Pain Questionnaire (SF-MPQ), Leiden Visual Sensitivity Scale (L-VISS), and Visual Light Sensitivity Questionnaire – 8 (VLSQ-8). Migraine diaries are completed daily and weekly over the 2 and 12 weeks between visits

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