This was a multicentre randomised controlled trial (RCT). Patients were treated in three centres and randomly allocated to one of three groups, as follows: group A used 0.016-inch nickel titanium ...
Medline, Cochrane Library, Biomed Central, BBO including LILACS, Ind Med, Sceilo, Clinical trials.gov, Conference paper Index, Digital Dissertations, German National Library of Medicine (ZB MED), ...
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