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