From man to molecule and back to mankind.
D000755:Anemia, Sickle Cell / Q000097:blood / Q000235:genetics / Q000266:history*; D004913:Erythrocytes, Abnormal; D005817:Genetic Counseling; D006451:Hemoglobin, Sickle; D049673:History, 20th Century; D006801:Humans; D010101:Oxygen Consumption
D006451:Hemoglobin, Sickle