In general, use oadoi_fetch instead. It calls this
method, returning open access status information from all your requests.
Usage
oadoi_fetch_(doi = NULL, email)
Arguments
doi
character vector,a DOI
email
character vector, required! It is strongly encourage to tell
oaDOI your email adress, so that they can track usage and notify you
when something breaks. Set email address in your `.Rprofile` file with
the option `roadoi_email` options(roadoi_email = "name@example.com").