DOKK / manpages / debian 10 / ncbi-entrez-direct / elink.1.en
ELINK(1) NCBI Entrez Direct User's Manual ELINK(1)

elink - look up related NCBI Entrez records

elink (edirect -link) [-help] [-related] [-target dbname] [-name name] [-db name] [-id ID(s)] [-cmd command] [-mode ref] [-holding provider] [-batch] [-label name]

elink follows links between Entrez databases, either extending an existing edirect(1) pipeline or honoring explicit -db and -id options.

Look up neighbors in the same database.
Follow links to another database.
Follow an explicit link name such as pubmed_protein_refseq, pubmed_pubmed_citedin, or pubmed_pubmed_refs.

Entrez database name for immediate lookups.
Unique identifier(s) for immediate lookups.

Command type (returns eLinkResult XML):
Neighbors or links
Neighbors with computed similarity scores
All links available
Existence of neighbors
Existence of external links (LinkOuts)
Non-library LinkOut providers
All LinkOut providers
Primary LinkOut provider, or URL for single UID with -mode ref.
Use LinkOut provider's web site.
Name of LinkOut provider.

Bypass Entrez history mechanism.

Print usage information.
Alias for query step.

edirect(1), einfo(1), epost(1), protein-neighbors(1).

2018-11-18 NCBI