| http://www.w3.org/ns/prov#value | - providing a system including a container for receiving a body fluid and a tube connecting the container with a source of body fluid; locating within the system an effective amount of a methylene blue solution having a pH of less than 7.0 to substantially inactivate any pathogens present in a body fluid added to the container; steam sterilizing the system; transferring a body fluid into the contain
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