@article {pmid18822093,
	title = {Accuracy of detecting changes in auditory heart rate in a simulated operating room environment},
	journal = {Anaesthesia},
	volume = {63},
	number = {11},
	year = {2008},
	month = {Nov},
	pages = {1181{\textendash}1186},
	author = {Chou, E. and Lim, J. and Brant, R. and Ford, S. and Ansermino, J. M.}
}
