@article {scharfstein2008accounting,
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	volume = {27},
	number = {12},
	year = {2008},
	pages = {2110{\textendash}2126},
	publisher = {John Wiley \& Sons, Ltd Chichester, UK},
	author = {Scharfstein, D and Ryea, J and Caffo, B}
}
@article {li2007potential,
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	volume = {8},
	number = {4},
	year = {2007},
	pages = {800},
	author = {Li, X and Caffo, B and Scharfstein, D}
}
