005310000a22001810004500003000900000005001700009110010000026245003800126264004500164300000900209041001400218650002100232650002100253651001200274700002100286700002300307700001900330PH-MaWHO20241108112254.0 aVietnam. Ministry of Health. Health Statistics and Informatic Division. Department of Planning. aHealth statistical profile, 1997. a[Hanoi] : bMinistry of Health,c[1998]. a28p. avtn ; eng aHealthstatistics aVital statistics aVietnam aNguyan, Thi Dung aNguyen, Hoang Long aNguyen, Duc An