![Laboratory performance of oronasal CPAP and adapted snorkel masks to entrain oxygen and CPAP - Landry - 2020 - Respirology - Wiley Online Library Laboratory performance of oronasal CPAP and adapted snorkel masks to entrain oxygen and CPAP - Landry - 2020 - Respirology - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/1f8e3830-2093-4f5b-916a-338379e2dcbf/resp13922-fig-0001-m.jpg)
Laboratory performance of oronasal CPAP and adapted snorkel masks to entrain oxygen and CPAP - Landry - 2020 - Respirology - Wiley Online Library
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Coronavirus: hospitals turn to snorkelling masks, 3D printing, amid global respirator shortage | South China Morning Post
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