Author(s) (year) | Design | No of patients | Outcome assessment | Findings |
France (1999)17 | Prospective randomised | 71 | Visual assessment score |
|
Bjarke Christensen (2002)18 | Prospective randomised | 129 |
|
|
Moller (2000)19 | Prospective randomised | 111 | Visual assessment score |
|
Thomsen (1997)20 | Prospective randomised | 130 | Dallas Pain Questionnaire |
|