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, our finding partly contradicts the results of previous clinical studies, which did not detect significant elevations in SRSF5, SRSF6, and SRSF7 transcriptional levels in acute leukemia or renal cell carcinoma [14,15].
Category: