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]

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.

   Miscellaneous Arguments
       -help  Print usage information.

SEE ALSO

       combine-uid-lists(1),        difference-uid-lists(1),        efetch(1),        efilter(1),
       exclude-uid-lists(1), intersect-uid-lists(1), nquire(1).