title: A second patient with hemoglobin Alberta, a high-oxygen-affinity variant causing erythrocytosis and forming asymmetric tetramers.
mesh_terms: D000293:Adolescent; D000416:Alberta; D014644:Genetic Variation; D006455:Hemoglobins, Abnormal / Q000235:genetics*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010100:Oxygen; D011086:Polycythemia / Q000097:blood*; D011108:Polymers
chemical_list: D006455:Hemoglobins, Abnormal; D011108:Polymers; D010100:Oxygen