| Study | Reason for exclusion |
|---|---|
| Dobloug 2012 | Non‐randomised controlled trial |
| Horowitz 1987 | Non‐randomised controlled trial |
| NCT00773227 | Treatment of dysphagia in oculopharyngeal muscular dystrophy by autologous transplantation of myoblasts. Single group assignment. Non‐randomised controlled trial |
| Sjögreen 2010 | Non‐randomised controlled trial |
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