About: http://webisa.webdatacommons.org/365392432

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Prior ArtIn an attempt to provide a germ-free environment, medical personnel including doctors and nurses, are required to wear surgical masks in an operating room.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com