Hemoglobin "abnormality": perhaps result rather than cause of hypoxia.
D004912:Erythrocytes / Q000378:metabolism; D006454:Hemoglobins / Q000378:metabolism*; D006461:Hemolysis; D006801:Humans; D000860:Hypoxia; D010100:Oxygen / Q000097:blood
D006454:Hemoglobins; D010100:Oxygen