Download results of a query for any database of the National Center for Biotechnology Information (NCBI).
EUtilsGet(x,type="efetch",db="pubmed")Either vector of NCBI records ids, i.e. returned ids from EUtilsSummary, or the EUtilsSummary object itself
string indicating type of NCBI Eutility, efetch, esummary, etc.
string indicating the NCBI database used in query
For queries to PubMed, a list by article, with named vectors for each field of the article result.
For all other database, a list of the XML tree strucure used where XML output is available in E-Utils.
Possible E-utilities to supply to type are efetch, esummary, and elink.
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/.
Note on usage:
In order not to overload the E-utility servers, NCBI recommends that users post no more than three URL requests per second and limit large jobs to either weekends or between 9:00 PM and 5:00 AM Eastern time during weekdays. Failure to comply with this policy may result in an IP address being blocked from accessing NCBI.
Summary help:
https://www.ncbi.nlm.nih.gov/books/NBK3827/
MEDLINE/PubMed Field Descriptions