A snorkel mask with a 3D-printed adaptor to HEPA filter was used in a COVID-19 emergency ward to provide safe respiratory support.
Camila Vitelli MolinariVivian Bertoni XavierRonaldo Fernandes RosaMaria Augusta Junqueira AlvesLuiz Antônio RivettiVera Lúcia Dos Santos AlvesPublished in: Respirology (Carlton, Vic.) (2023)