1. Effects of mixed No2SO2 gas on human pulmonary functions;Abe;Bull. Tokyo Med. Dent. Univ.,1967
2. Nitrogen dioxide effects on alveolar macrophages;Acton;Archs Environ. Health,1972
3. Clean Air for California: Initial Report;Air Pollution Study Project,1955
4. The Cleveland disaster;Anonymous;J. Am. Med. Ass.,1929
5. Current comments;Anonymous;J. am. Med. Ass.,1929