Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:The remaining medial portion of the bone was potted (Codsi and Iannotti, 2008, Hoenig et al., 2009, Kwon et al., 2010) in an epoxy resin cylinder (Struers A/S, Ballerup, Denmark) to obtain a secure fixation of the bone to the set up while simultaneously isolating the bone from deformations induced‚Ä¶
Category: