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:‚Äù Another study conducted in Chile with 354 patients with renal disease receiving chronic hemodialysis showed similar results.(7) The same happened with albumin, which was correlated with ‚Äúphysical functioning‚Äù, indicating better physical functioning for those with the highest level of albumin.
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