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[Vulnerable groups for COVID-19 control measures].
Kraaij-Dirkzwager MM, Tromp MUY, van der Torn P. Kraaij-Dirkzwager MM, et al. Among authors: van der torn p. TSG. 2021;99(1):24-29. doi: 10.1007/s12508-020-00290-8. Epub 2020 Dec 18. TSG. 2021. PMID: 33362430 Free PMC article. Dutch.