PT - JOURNAL ARTICLE AU - Morris, Crawford TI - Medical-legal implications of clean air systems DP - 1973 Dec 21 TA - Cleveland Clinic Journal of Medicine PG - 161--181 VI - 40 IP - 4 4099 - http://www.ccjm.org/content/40/4/161.short 4100 - http://www.ccjm.org/content/40/4/161.full SO - Cleve Clin J Med1973 Dec 21; 40