Balchum, Oscar J. Chest diseases: case studies; a compilation of 61 case histories related to chest diseases, [electronic resource] by Oscar J. Balchum and Ralph C. Jung. - Flushing, N.Y., Medical Examination Pub. Co. [1973] - 227 p. illus. 22 cm. ISBN: 0874880122 9780874880120 LCCN: 73156686 Subjects--Topical Terms: Chest--Diseases--Case studies.Thoracic Diseases--diagnosis--Case Reports.Thoracic Diseases--therapy--Case Reports. LC Class. No.: RC941 / .B18 Dewey Class. No.: 617/.54/0077