HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB US Library of Medicine, 2011 HBB HBB http://ghr.nlm.nih.gov/gene/HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB HBB "HBB — Hemoglobin, Beta" HBB HBB