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. 2020 Dec 15;278(9):3417–3423. doi: 10.1007/s00405-020-06519-1

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© The Author(s) 2020

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Fig. 2 — Total number of procedures per week (a) and share of critical procedures per week (b) from January 6 until May 31, 2020. Dashed line indicates March 16, 2020