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American Association of Blood Banks
Professional society of more than 2,400 community, regional and Red Cross blood centers, hospital-based blood banks and transfusion services.
http://www.aabb.org/
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American Society of Hematology
Committed to promoting and fostering the exchange and diffusion of information and ideas relating to blood, blood-forming tissue, and blood disease.
California Blood Bank Society [CBBS]
Organization educating healthcare professionals working to save the lives of people in need of blood transfusions.