7WHO. World Health Report 2002: Reducing risks, promoting healthy life[R]. Geneva: World Health Organization, 2002.
8Dock H, Paflenden S, Vrijheid M, et al. Perinatal and infant mortality and low birth weight among residents near coke works in Great Britain [J]. Arch Environ Health, 2000, 55(1):26-30.
9Bobak M, Leon DA. Pregnancy outcomes and outdoor air pollution :all ecological study in districts of the Czech Republic, 1986-1988[J].Occup Environ Med, 1999, 56(8) : 539 -543.
10Bobak M. Outdoor air pollution,low birth weight,and prematurity[J]. Environ Health Perspeet, 2000,108(2): 173-176.
6Mariano S, Kenneth K. Periodontitis and adverse pregnancy outcomes: consensus report of the Joint EFP/AAP Workshop on Periodontitis and Systemic Disease [J]. Jorrnal of Clinical Periodontol, 2013, 40(Supplement 14): 164-169.
7Calkins K, Devaskar S U. Fetal origins of adult disease[J]. Current Problems Pediatric and Adolescent Health Care, 2011, 41(6): 158-176.
8Bernabe J V, Soriano T, Albaladejo 1L et al. Risk factors for low birth body mass: a review[J]. European Journal of Obstetrics & Gynecology Reproductive Biology, 2004, 116(1): 3-15.
9Pope D P, Mishra V, Thompson L, et al. Risk of low birth body mass and stillbirth associated with indoor air pollution from solid fuel use in developing countries[J]. Epidemiologic Reviews, 2010, 32(1 ): 70-81.
10Wertheimer N, Leeper E. Possible effects of electric blankets and heated waterbeds on fetal development[J]. Bioelectromagnetics, 1986, 7(1): 13-22.