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:Although it can be argued that cull cow meat is generally used in processed meats and that meat tenderness is therefore not important, cuts such as the loin and fillet could be used as fresh cuts due to their higher value (Stelzleni et al., 2007).
Category: