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:Although the place of SC MTX is still not clearly defined in the UK and European guidelines [1, 2, 10], recently published guidelines from the Canadian Rheumatology Association recommend that RA patients with persistent synovitis should be commenced on oral or parenteral MTX as soon as possible; for those patients with an inadequate response or intolerance to the oral formulation, the parenteral formulation should be considered [35].
Category: