https://www.redcrossblood.org/biomedical-services/blood-diagnostic-testing/national-reference-laboratory-for-specialized-testing.html
National Reference Laboratory for Specialized Testing | Red Cross Blood Services
national reference laboratory
https://www.redcrossblood.org/biomedical-services/blood-diagnostic-testing/antigen-negative-rbc-services.html
National Reference Laboratory for Blood Group Serology | Red Cross
national reference laboratory