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:, 2006), the pro-hypertrophic effects of FGF23 on cardiac myocytes were blocked by pharmacologic inhibition of phospholipase Cg (PLCg) and calcineurin (Faul et al., 2011).
Category: