[,efetch,character-method
                        EFetch accessors
[,einfo,ANY-method      EInfo accessors
[,elink,numeric-method
                        ELink Accessors
[,esearch,numeric-method
                        ESearch Accessors
[,esummary,character-method
                        ESummary accessors
content,ecitmatch-method
                        Extract the data content from an Entrez request
database,entrez_linkset-method
                        database
ecitmatch               ecitmatch - searching PubMed with citation data
efetch                  efetch - downloading full records
egquery                 egquery - performing a global Entrez search
einfo                   einfo - getting database statistics and search
                        fields
elink                   elink - finding related data through Entrez
                        links
epost                   epost - uploading UIDs to Entrez
esearch                 esearch - searching an Entrez database
espell                  espell - retrieving spelling suggestions
esummary                esummary - downloading Document Summaries
getError                getError
getUrl                  getUrl
linkset                 linkset
querykey,epost-method   querykey
retmode                 retmode
rettype                 rettype
reutils                 An interface to the NCBI Entrez programming
                        Utilities.
uid,entrez_linkset-method
                        uid
webenv,epost-method     webenv
