Some reference papers, like this one, from Vantage6, do have an OpenAlex ID but don't have a DOI. We should be able to scrape citations from those papers as well.
Implementation notice: it might be necessary to create a dedicated field for the OpenAlex ID in the database.
Some reference papers, like this one, from Vantage6, do have an OpenAlex ID but don't have a DOI. We should be able to scrape citations from those papers as well.
Implementation notice: it might be necessary to create a dedicated field for the OpenAlex ID in the database.