The ATSM Library is using these sources to develop and print its models.
Cloth Patterns for Masks
Reports
Articles
CDC sequence for putting on personal protective equipment (PPE)
How to safely remove personal protective equipment (PPE) Ex. 1
How to safely remove personal protective equipment (PPE) Ex. 2
Pubmed: Coronaviruses and Masks
Pubmed: COVID-19 and PPE
Pubmed: Face masks & infection control