table of contents
| ELINK(1) | NCBI Entrez Direct User's Manual | ELINK(1) |
NAME¶
elink - look up related NCBI Entrez records
SYNOPSIS¶
elink [-help] [-related] [-target dbname] [-name name] [-db name] [-id ID(s)] [-input filename] [-cmd command] [-cited] [-cites]
DESCRIPTION¶
elink follows links between Entrez databases, either extending an existing Entrez Direct pipeline or honoring explicit -db and -id (or -input) options.
OPTIONS¶
Destination Database¶
- Look up neighbors in the same database.
- -target dbname
- Follow links to another database.
- -name name
- Follow an explicit link name such as pubmed_protein_refseq, pubmed_pubmed_citedin, or pubmed_pubmed_refs.
Direct Record Selection¶
- -db name
- Entrez database name for immediate lookups.
- -id ID(s)
- Unique identifier(s) for immediate lookups.
- -input filename
- Read identifer(s) from file instead of standard input.
Advanced Control¶
- -cmd command
- Command type (returns eLinkResult XML):
- edirect
- Instantiate results in ENTREZ_DIRECT message.
- uid
- Return results as a sorted UID list, with any duplicates consolidated.
- history
- Save results in Entrez history server.
- neighbor
- Neighbors or links.
- score
- Neighbors with computed similarity scores.
- acheck
- All links available.
- ncheck
- Existence of neighbors.
- lcheck
- Existence of external links (LinkOuts).
- llinks
- Non-library LinkOut providers.
- llibs
- All LinkOut providers.
- prlinks
- Primary LinkOut provider.
PubMed Citation Lookup¶
-cited and -cites use the NIH Open Citation Collection dataset (see PMID 31600197) to follow reference links.
Miscellaneous Arguments¶
- -help
- Print usage information.
SEE ALSO¶
ecollect(1), efetch(1), efilter(1), einfo(1), epost(1), esearch(1), nquire(1), xfetch(1), xfilter(1), xlink(1), xsearch(1).
| 2025-05-26 | NCBI |