PT - JOURNAL ARTICLE AU - Van Ordstrand, H. S. TI - The Diagnosis of Foreign Bodies in the Lower Air Passages DP - 1939 Oct 01 TA - Cleveland Clinic Journal of Medicine PG - 279--282 VI - 6 IP - 4 4099 - http://www.ccjm.org/content/6/4/279.short 4100 - http://www.ccjm.org/content/6/4/279.full SO - Cleve Clin J Med1939 Oct 01; 6