elink
Find related records across NCBI databases
TLDR
Search pubmed then find related sequences
$ esearch -db pubmed -query "[query]" | elink -target nuccore
Search nucleotide then find related biosamples$ esearch -db nuccore -query "[query]" | elink -target biosample
SYNOPSIS
elink [options]
DESCRIPTION
elink looks up precomputed neighbors within an NCBI database or finds associated records in other databases. It takes search results from esearch and finds related entries.
Part of the NCBI EDirect utilities for programmatic access to biological databases.
PARAMETERS
-target database
Target database for linked records-name linkname
Specific link name to follow-db database
Source database-cmd command
Entrez link command mode
CAVEATS
Part of the edirect package from NCBI. Works with piped input from esearch. Requires internet connection.