http://purl.obolibrary.org/obo/IAO_0000115 A material entity which derives from blood and, corresponds to blood plasma without fibrinogen or the other clotting factors. @en
http://purl.obolibrary.org/obo/IAO_0000112 .Antioxidant activity of blood serum and saliva in @en
rdfs:label blood serum specimen @en
http://purl.obolibrary.org/obo/IAO_0000111 blood serum specimen @en