MeSHDb-class            MeSHDb objects
PAO1                    Data to construct user's original MeSHDb
                        package
listDatabases           A function to return the scientific name of
                        package
makeGeneMeSHPackage     Making MeSHDb packages from corresponding table
                        as single data frame.
meshVersion             A function to return the MeSH version of
                        package
metaPAO1                Metadata to construct user's original MeSHDb
                        package
nomenclature            A function to return the scientific name of
                        package
packageName             A function to return the name of package