Source:http://linkedlifedata.com/resource/umls/id/C0003339
MSH: Antigens on surfaces of cells, including infectious or foreign cells or viruses. They are usually protein-containing groups on cell membranes or walls and may be isolated.,CSP: antigens on surfaces of cells, including infectious or foreign cells or viruses; usually protein-containing groups on cell membranes or walls.,NCI: Antigens on surfaces of cells, including infectious or foreign cells or viruses. They are usually protein-containing groups on cell membranes or walls and may be isolated.