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Fig 1.

The SPIRIT schedule of enrollment, interventions, and assessment.

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Fig 2.

Study flow chart, in accordance with the CONSORT guidelines.

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Fig 3.

Acupuncture points used in this study.

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Table 1.

EA intervention methods used for participants in both groups.

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Fig 4.

Visual Analogue Scale (VAS).

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Fig 5.

Numeric Rating Scale (NRS).

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