| rentrez-package | rentrez |
| entrez_citmatch | Fetch pubmed ids from specially formatted citation strings |
| entrez_dbs | List databases avaliable from the NCBI |
| entrez_db_links | Can be used in conjunction with 'entrez_link' to find the right name for the 'db' argument in that function. |
| entrez_db_searchable | Can be used in conjunction with 'entrez_search' to find available search fields to include in the 'term' argument of that function. |
| entrez_db_summary | Retrieve summary information about an NCBI database |
| entrez_fetch | Download data from NCBI databases |
| entrez_global_query | See how many hits there are for a given term across all NCBI Entrez databases |
| entrez_info | Get infromation about EUtils databases |
| entrez_link | Get links to datasets related to a unique ID from an NCBI database |
| entrez_post | Post IDs to Eutils for later use |
| entrez_search | Search the NCBI databases using EUtils |
| entrez_summary | Get summaries of objects in NCBI datasets from a unique ID Constructs a query from the given arguments, including a database name and list of of unique IDs for that database. |
| parse_pubmed_xml | Summarise an XML record from pubmed. |
| rentrez | rentrez |