Methodological challenges and recommendations for identifying childhood immunisations using routine electronic health records in the United Kingdom https://www.medrxiv.org/content/10.1101/2023.02.28.23286573
Methodological challenges and recommendations for identifying childhood immunisations using routine electronic health records in the United Kingdom https://www.medrxiv.org/content/10.1101/2023.02.28.23286573