| umls-concept:C0003339 | skos:definition | 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. | lld:umls |
