convert.alias           Convert Symbols to Aliases and Vice Versa.
convert.bm              Retrieve Additional Annotations from Biomart
convertId2              Convert Gene IDs Between Ensembl, Symbol and
                        Entrez
get.bm                  Make a Query to Biomart.
likely_symbol           Retrieve Symbol Aliases and Previous symbols to
                        determine a likely current symbol
todisp2                 Convenience Function to Convert Ensembl Gene
                        IDs to Gene Symbols
unify_gene_ids          Unify gene IDs from BioMart and AnnotationDbi
                        lookups
