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References
1.
CDC -Centers for Disease Control and Prevention-
-2001-. Women and smoking. A report of the Surgeon General. http://www.cdc.gov/tobacco/sgr/sgr_forwomen/pdfs/chp3.pdf
2.
Lopez NJ, Smith PC, Gutierrez J -2002 -.
Higher risk of preterm birth and low birth weight in women with periodontal disease.
J Dent Res
81 :58 –63.
3.
Rothman KJ, Greenland S -1998-. Modern epidemiology.
2nd ed. Philadelphia: Lippincott-Raven, pp. 49-50, 137.