Code fragment metadata

hasIdentifier: https://padme-analytics.de/pht/codeFragment/da31b966822d7d216ae7ec0c954deafcce51371c40fd2fff7f0ab6ca81ef9c69
hasContent: doe_first_df = pd.DataFrame(list(zip(records_first_exam, date_first_exam)), columns=['record_id', 'date_of_examination'])

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