Red Cross urges blood donations after critical type O blood shortage  ktvo.com

The Knights of Columbus collect 400,000 pints of blood each year  Aleteia EN

Critical Blood Shortage: Donate Blood, Platelets Near Poway  Poway, CA Patch

Critical Blood Shortage: Blood, Platelet Donors Needed In Santee  Santee, CA Patch

Critical Shortage: Blood, Platelet Donors Needed In Ramona  Patch.com

Critical Shortage: Blood, Platelet Donors Needed In Oceanside  Oceanside, CA Patch

Critical Shortage: Blood, Platelet Donors Needed In Carlsbad  Carlsbad, CA Patch

Critical Shortage: Blood, Platelet Donors Needed In Encinitas  Encinitas, CA Patch

Red Cross Issues Emergency Call for Blood Donors  Greenwich Sentinel

Knowledge level and motivation of Hong Kong young adults towards blood donation: a cross-sectional survey.  DocWire News