@article {6416,
	title = {Contractile response of individual cardiac myocytes to norepinephrine declines with senescence},
	journal = {American Journal of Physiology - Heart and Circulatory Physiology},
	year = {1992},
	pages = {H184-H189},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/1370751},
	author = {M. Sakai and R.S. Danziger and R.-P. Xiao and H.A. Spurgeon and E.G. Lakatta}
}
