Yokota I, Shane PY, Okada K, Unoki Y, Yang Y, Iwasaki S, Fujisawa S, Nishida M, Teshima T. A novel strategy for SARS-CoV-2 mass screening with quantitative antigen testing of saliva: a diagnostic accuracy study. Lancet Microbe. doi: 10.1016/S2666-5247(21)00092-6
Press release
https://www.global.hokudai.ac.jp/blog/a-rapid-antigen-test-for-sars-cov-2-in-saliva/