"Hemoglobin A2" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
An adult hemoglobin component normally present in hemolysates from human erythrocytes in concentrations of about 3%. The hemoglobin is composed of two alpha chains and two delta chains. The percentage of HbA2 varies in some hematologic disorders, but is about double in beta-thalassemia.
Below are MeSH descriptors whose meaning is more general than "Hemoglobin A2".
Below are MeSH descriptors whose meaning is more specific than "Hemoglobin A2".
This graph shows the total number of publications written about "Hemoglobin A2" by people in this website by year, and whether "Hemoglobin A2" was a major or minor topic of these publications.
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Below are the most recent publications written about "Hemoglobin A2" by people in Profiles.
Hemoglobin C disease. N Engl J Med. 2004 Oct 07; 351(15):1577; author reply 1577.