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:TG content of the intestine (proximal jejunum) was quantified in Figure 2, B and C, that of primary enterocytes isolated from the jejunum in Figure 1A, and that of fecal samples, liver, and epididymal white adipose tissue (eWAT) as described previously (9, 46, 47), and normalized to the weight of the tissue or proteins.
Category: