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Please see the Retraction Notice for more detail:","order":5,"name":"change_details","label":"Change Details","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"https:\/\/doi.org\/10.1007\/s00500-023-08594-y","URL":"https:\/\/doi.org\/10.1007\/s00500-023-08594-y","order":6,"name":"change_details","label":"Change Details","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors feel interest to contribute towards COVID-19 pandemic situation in terms of suitable drug selection for the positive patients as an endeavour to bring some relief for the society. To consider the uncertainties associated with drug selection, authors have used picture fuzzy set, Dempster\u2013Shafer (D\u2013S) theory of evidence and Grey relational analysis (GRA).","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"The authors are whole heartedly willing and give their consent to communicate and publish their paper in soft computing journal. Authors also declare that they don\u2019t have any conflict of interest.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to participate"}},{"value":"This content has been made available to all.","name":"free","label":"Free to read"}]}}