@article {6539,
	title = {Opioid peptide receptor stimulation reverses β-adrenergic effects in rat heart cells},
	journal = {American Journal of Physiology - Heart and Circulatory Physiology},
	year = {1997},
	pages = {H797-H805},
	author = {Rui-Ping Xiao and Salvatore Pepe and Harold A. Spurgeon and Maurizio C. Capogrossi and Edward G. Lakatta}
}
