Get summary information on the results of a query for any database of the National Center for Biotechnology Information (NCBI).
EUtilsSummary(query,type="esearch",db="pubmed",url=NULL,encoding="unknown",...)string query as given in NCBI search box
string indicating type of NCBI Eutility
string indicating the NCBI database used in query
string of url to bypass query construction
encoding to be assumed for input strings, see readLines
additional limits added to query
Returns an EUtilsSummary object.
Possible E-utilities to supply to type are einfo, esearch, epost, esummary, elink, egquery, espell.
The database name supplied to db can be any valid Entrez database, such as pubmed, protein, nlm, etc.
For further details on available E-utilities and databases visit https://www.ncbi.nlm.nih.gov/books/NBK25499/.
Limits that can be supplied to ... to refine the query include:
reldate |
Limits search results to be within the specified number of days from current date. |
mindate |
Minimum of date range for search results (examples: 2002; 2002/01/01); must be supplied with maxdate. |
maxdate |
Maximum of date range for search results; must be supplied with mindate. |
datetype |
Which date field to use in setting date limits. Possible choices are edat, Entrez date, which is the date article was added to Entez, or ppdt, the article publication date. Default is edat. |
retstart |
Where in the sequence of returned results to begin retrieving, default is 0. |
Summary help:
https://www.ncbi.nlm.nih.gov/books/NBK3827/
MEDLINE/PubMed Field Descriptions