Additional Reading
•Chest Roentgenology  Felson, B W.B. Saunders Co, Philadelphia 1973 Chapter 2: Localization of Intrathoracic Disease.  pp 22-70. •Pare JAP and Fraser RG Synopsis of Diseases of the Chest W.B. Saunders Co, Philadelphia 1983. Chapter 4: Roentgenologic Signs in the diagnosis of Chest Disease. pp164-187.