Added functions for parsing out retractions, errata, etc. from Litcovid.
Added functions for appending preprints, topicCategory and other value-added metadata.
Note that the general_path should be the directory containing the locally run copies of the preprint matcher, topic classifier, etc.
Added functions for parsing out retractions, errata, etc. from Litcovid. Added functions for appending preprints, topicCategory and other value-added metadata. Note that the general_path should be the directory containing the locally run copies of the preprint matcher, topic classifier, etc.