1. “Peculiar elongated sickle shape red blood corpuscles in a case of severe anemia,”;Herrick;Arch. In. Med.,1910
2. “Sickle cell anemia,”;Huck;Bull. John Hopkins Hospital,1923
3. “The electrocardiogram and cardiac state in active sickle cell anemia,”;Winsor;Am. Heart J.,1945
4. Diseases of the heart;Friedberg,1956
5. Pediatric cardiology;Nadas,1963