]> 2026-05-08T14:03:57+02:00 Clin Infect Dis (2020) Bahl 0 en Droplets and Aerosols generated by singing and the risk of COVID-19 for choirs. 2020 2458849.5 Clin Infect Dis (2020) Bahl 2020-10-11T06:33:55Z 2459133.7735532 Clin Infect Dis (2020) Bahl