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.