epidemiological
2.Methods Epidemiological outbreak and case survey.
3.Epidemiological Study on First Aid Patients
4.Epidemiological Investigation of Pneumoconiosis in Jinchuan Corp.
5.Epidemiological Survey on Paragonimiasis in Antu County
6.Epidemiological Study on Traffic Accidents in Dalian
7.Epidemiological Survey on Childhood Asthma in Chengdu
8.Epidemiological significance of Aeromonas hydrophila to human diarrhea
9.An Epidemiological and Basic Study on Postpartum Thyroiditis
10.Epidemiological study on silicosis in a gem factory
