@article {pmid16848912,
	title = {Periodontal disease and spontaneous preterm birth: a case control study},
	journal = {BMC Pregnancy Childbirth},
	volume = {6},
	year = {2006},
	pages = {24},
	author = {Wood, S. and Frydman, A. and Cox, S. and Brant, R. and Needoba, S. and Eley, B. and Sauve, R.}
}
