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Description

Pubmed Unified REtrieval for Multi-Output Exploration.

Access a variety of 'PubMed' data through a single, user-friendly interface, including abstracts <https://pubmed.ncbi.nlm.nih.gov/>, bibliometrics from 'iCite' <https://icite.od.nih.gov/>, pubtations from 'PubTator3' <https://www.ncbi.nlm.nih.gov/research/pubtator3/>, and full-text records from 'PMC' <https://www.ncbi.nlm.nih.gov/pmc/>.

puremoe

PubMed Unified REtrieval for Multi-Output Exploration

An R package that provides a single interface for accessing a range of NLM/PubMed databases, including PubMed abstract records, iCite bibliometric data, PubTator3 named entity annotations, and full-text entries from PubMed Central (PMC). This unified interface simplifies the data retrieval process, allowing users to interact with multiple PubMed services/APIs/output formats through a single R function.

The package also includes MeSH thesaurus resources as simple data frames, including Descriptor Terms, Descriptor Tree Structures, Supplementary Concept Terms, and Pharmacological Actions; it also includes descriptor-level word embeddings (Noh & Kavuluru 2021). Via the mesh-resources library.

Installation

Get the released version from CRAN:

install.packages('puremoe')

Or the development version from GitHub with:

remotes::install_github("jaytimm/puremoe")

Usage

PubMed search

The package has two basic functions: search_pubmed and get_records. The former fetches PMIDs from the PubMed API based on user search; the latter scrapes PMID records from a user-specified PubMed endpoint – pubmed_abstracts, pubmed_affiliations, pubtations, icites, or pmc_fulltext.

Search syntax is the same as that implemented in standard PubMed search.

pmids <- puremoe::search_pubmed('("political ideology"[TiAb])',
                                 use_pub_years = F)

# pmids <- puremoe::search_pubmed('immunity', 
#                                  use_pub_years = T,
#                                  start_year = 2022,
#                                  end_year = 2024) 

Get record-level data

pubmed <- pmids |> 
  puremoe::get_records(endpoint = 'pubmed_abstracts', 
                       cores = 3, 
                       sleep = 1) 

affiliations <- pmids |> 
  puremoe::get_records(endpoint = 'pubmed_affiliations', 
                       cores = 1, 
                       sleep = 0.5)

icites <- pmids |>
  puremoe::get_records(endpoint = 'icites',
                       cores = 3,
                       sleep = 0.25)

pubtations <- pmids |> 
  puremoe::get_records(endpoint = 'pubtations',
                       cores = 2)

When the endpoint is PMC, the get_records() function takes a vector of filepaths (from the PMC Open Access list) instead of PMIDs.

pmclist <- puremoe::data_pmc_list(use_persistent_storage = T)
pmc_pmids <- pmclist[PMID %in% pmids]

pmc_fulltext <- pmc_pmids$fpath[1:5] |> 
  puremoe::get_records(endpoint = 'pmc_fulltext', cores = 1)

Summary.

Metadata

Version

1.0.1

License

Unknown

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