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:These results are in accordance with observations made for translocation of Foxo3a from the nuclei of oocytes during follicle activation of mice and pigs (Castrillon et al., 2003; Ding et al., 2010) but differs for Foxo3a immunodetection in pre-granulosa cells from primordial follicles of other species (Tarnawa et al.
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