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:Beneficial fungal secondary metabolites have a wide range of applications, including antibiotics (penicillin and cephalosporin [52]), immunosuppressants (cyclosporins [140]), cholesterol-lowering drugs (statins [115]), angiogenesis inhibitors (fumagillin derivatives and pseurotin derivatives [5, 15]), anti-osteoporosis agents (orsellinic acid derivatives F-9557 A and B [23]), anti-migraine and hypertension-lowering medications (ergot alkaloids [73]), plant growth hormones (gibberellins [27]) and food additives (carotenoids [7]).
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