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:However, parasites transfected with GFP::TcRpL7a showed a nucleolar localization of the fusion protein, a result that is consistent with the localization of the human homologue L7a protein in transfected HeLa cells [28].
Category: