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:pombe (Figure 3), consistent with the previous result of He et al. (1998). Expression of high levels of exogenous RanBP1 (m) and RBD (Sp) also inhibited cell proliferation (Figure 3).
Category: