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 vivo investigation of NF-κB inhibition in acidic bile-treated hypopharyngeal mucosa, supported by future global molecular sequencing analysis, may provide insights into the effective prevention of the induced premalignant phenotype and deregulated oncogenic signaling pathways, previously linked to HNSCC [36].
Category: