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Extract PubMed ID

extract_pmid.Rd

extract_pmid is a generic function that extracts PubMed IDs.

Usage

extract_pmid(x, ...)

# S3 method for pm_search
extract_pmid(x, ...)

# S3 method for pmc_search
extract_pmid(x, ...)

# S3 method for data.frame
extract_pmid(x, ...)

Arguments

x

An object.

...

Arguments passed on to methods.

Value

A character vector of PubMed IDs, except for the extract_pmid.elink_list

method which returns a list of PubMed ID character vectors.

See also

Other extract_pmid_methods: extract_pmid.elink_list(), extract_pmid.elink()