@article {Li:2006:0270-1367:xxi,
	author = "Li, Kin-Kit and Cardinal, Bradley J.",
	title = "Effect of Health Worry on the Likelihood of Having Walking Difficulty Among Older Adults in the United States: Results From the Longitudinal Study of Aging",
	journal = "Research Quarterly for Exercise and Sport",
	volume = "77",
	number = "Supplement 1",
	year = "2006",
	abstract = "",
	pages = "xxi-xxiii",
	url = "http://www.ingentaconnect.com/content/aahperd/rqes/2006/00000077/A00101s1/art00004"
}