| Study | Reason for exclusion |
|---|---|
| Hou 2002 | ALLOCATION Randomized controlled trial PARTICIPANTS Did not include patients with head and neck cancer |
| Pfister 2008 | ALLOCATION Randomized controlled trial PARTICIPANTS Patients with cancer with a history of neck dissection INTERVENTION Patients received acupuncture versus usual care |
| van Wilgen 2007 | ALLOCATION Not a randomized controlled trial |
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