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Fig. 2 | BMC Neurology

Fig. 2

From: The HortONS study. Treatment of chronic cluster headache with transcutaneous electrical nerve stimulation and occipital nerve stimulation: study protocol for a prospective, investigator-initiated, double-blinded, randomized, placebo-controlled trial

Fig. 2

Outcome parameters in correlation to trial phases and study visits. TENS, transcutaneous electrical nerve stimulation. ONS, occipital nerve stimulation. PGIC, patient's global impression of change. HADS, hospital anxiety and depression scale. EuroQoL-5D, European Quality of Life – 5 Dimensions

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BMC Neurology

ISSN: 1471-2377

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