D.G.RancourtEva BartlettFace MasksPCR tests Interview with Canadian physicist and interdisciplinary scientist, Denis Rancourt/ By Eva Bartlett and Denis Rancourt By Contributing Writers - July 15, 2021 Share Facebook Twitter Pinterest WhatsApp Linkedin VK Tune into this fascinating conversation with @denisrancourt. https://t.co/Adc2N96ZbJ— Eva Karene Bartlett (@EvaKBartlett) July 15, 2021