to_dataframe converts the parsed csv from icite_api into a dataframe
to_dataframe(info, error = FALSE, call_type = "pmid")S3. The S3 object returned from icite_api
logical. Indicates whether the icite_api call resulted
in an error.
character. Indicates whether the data is from a call to
icite_api (`pmid`) or icite_search (`search`)
All values from the icite_api reformatted into a dataframe. see https://icite.od.nih.gov/api for details.