{"version":"1.0","provider_name":"BIOENGINEER.ORG","provider_url":"https:\/\/bioengineer.org","author_name":"BIOENGINEER.ORG","author_url":"https:\/\/bioengineer.org","title":"Three-layered masks most effective against large respiratory droplets","type":"rich","width":600,"height":338,"html":"
Three-layered masks most effective against large respiratory droplets<\/a><\/blockquote>