This function searches PubMed using the NCBI E-utilities API via the rentrez package. The implementation includes optimizations for speed, memory efficiency, and reliability.
Usage
pubmed_search(
query,
max_results = 1000,
use_mesh = FALSE,
date_range = NULL,
api_key = NULL,
batch_size = 200,
verbose = TRUE,
use_cache = TRUE,
retry_count = 3,
retry_delay = 1
)Arguments
- query
Character string containing the search query.
- max_results
Maximum number of results to return.
- use_mesh
Logical. If TRUE, will attempt to map query terms to MeSH terms.
- date_range
Character vector of length 2 with start and end dates in format "YYYY/MM/DD".
- api_key
Character string. NCBI API key for higher rate limits (optional).
- batch_size
Integer. Number of records to fetch in each batch (default: 200).
- verbose
Logical. If TRUE, prints progress information.
- use_cache
Logical. If TRUE, cache results to avoid redundant API calls.
- retry_count
Integer. Number of times to retry failed API calls.
- retry_delay
Integer. Initial delay between retries in seconds.