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Performance of national COVID-19 ‘symptom checkers’: a comparative case simulation study

 

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AbstractFullPdf
Mar 202121542154326
Apr 2021448448102
May 202148449053
Jun 202138338596
Jul 202139039435
Aug 202137537837
Sep 202140941042
Oct 202150751155
Nov 202136036433
Dec 202130330850
Jan 202245045123
Feb 202234134412
Mar 202244545441
Apr 202225325525
May 202220620627
Total75087552957