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:In agreement with our results (102 samples, 24/8), Leal-Klevezas et al (2000) also detected as positive a higher number of milk samples by PCR assay when compared to bacteriological culture methods (17 samples, 11/0).
Category: