Description Usage Arguments Value Methods (by class) See Also Examples
An integer query key returned by an ESearch, EPost or ELink call if
the History server was used. Otherwise NA
.
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x |
An |
... |
Further arguments passed on to methods. |
An integer or NA
.
epost
: Retrieve the querykey from an epost
object.
entrez_uid
: Retrieve the querykey from an entrez_uid
object.
esearch
: Retrieve the querykey from an esearch
object.
einfo
, esearch
, esummary
,
efetch
, elink
, epost
,
egquery
, espell
, ecitmatch
.
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