O-negative blood

O-Negative Blood Types Asked To Roll Up Their Sleeve
O-Negative Blood Types Asked To Roll Up Their Sleeve
O-Negative Blood Types Asked To Roll Up Their Sleeve
O-negative blood, the most universal and therefore in greatest demand is running low at local United Blood Services outlets. Lesli Asay, regional donor recruitment director says in emergencies, when there's no time to cross match blood, O-negative is what's used...