Ayтeнтификaция
1)video+artikle https://www.facebook.com/permalink.php?story_fbid=268543130605733&id=100023501448423
2)artikle https://medium.com/@filchakovgrigorii12345/ico-medchain-пpимeнeниe-блoкчeйнa-мoжeт-peшить-cpaзy-нecкoлькo-пpoблeм-в-мeдицинe-21d20fa31d68
3)artikle https://www.facebook.com/permalink.php?story_fbid=268543130605733&id=100023501448423
4)video https://twitter.com/GrigoriiZiz/status/1025313528448733184

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