509518 Sosial Budayacycle threshold, kalibrasi, PCR, putaran, vaksinasi, WHOAlat Ukurnya Nggak Akurat
485513 Sosial BudayaCT, cycle threshold, Kary Mullis, PCR, rapid antigen, Stephen A BustinUdah Ngawur Diikutin
472515 Sosial Budayacycle threshold, data ujicoba, Dr. Sin Hang Lee, PCR, PfizerUji Coba Kontroversial