@article {welch_rerandomizing_1987,
	title = {Rerandomizing the median in matched-pairs designs},
	journal = {Biometrika},
	volume = {74},
	number = {3},
	year = {1987},
	pages = {609{\textendash}614},
	url = {http://biomet.oxfordjournals.org/content/74/3/609.short},
	author = {Welch, William J.}
}
