1. Environmental Pollution and Health Section, Medical Welfare Division, Bureau of Public Health, Tokyo Metropolitan Government
2. Topics on allergy and allergic diseases - epidemiology of pollinosis;Saito;Med Front,1994
3. Environmental Pollution Section, Healthcare and Welfare Division, Bureau of Public Health, Tokyo Metropolitan Government
4. Prevalence rate of allergy to Japanese cedar pollen in Tokyo - from field investigation in 1996 by Tokyo Japanese Cedar Pollen Allergy Measurements and Review Committee;Nishihata;Jpn J Allergol,1999
5. Environmental Health Section, Health and Safety Division, Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government