NAME

       esearch - search an NCBI Entrez database

SYNOPSIS

       esearch   [-help]   -db name   -query str   [-sort field]   [-days N]  [-datetype field]  [-mindate date]
       [-maxdate date] [-spell] [-translate] [-component]

DESCRIPTION

       esearch searches an NCBI Entrez database for a given query.

OPTIONS

   Query Specification
       -db name
              Entrez database name.

       -query str
              Query string.

   Document Order
       -sort field
              Sort results by the given field.

   Date Constraint
       -days N
              Return only results from the past N days.

       -datetype field
              Which date field (in abbreviated form) to consider.

       -mindate date
              Start of date range.

       -maxdate date
              End of date range.

   Spell Check
       -spell Correct misspellings in query.

   Query Translation
       -translate
              Show automatic term mapping.

       -component
              Individual term mapping items.

   Miscellaneous Arguments
       -help  Print usage information.

SEE ALSO

       cit2pmid(1), combine-uid-lists(1), difference-uid-lists(1), ecollect(1), efetch(1), efilter(1), elink(1),
       exclude-uid-lists(1), intersect-uid-lists(1), nquire(1), xfetch(1), xfilter(1), xlink(1), xsearch(1).

NCBI                                               2025-05-26                                         ESEARCH(1)