@article {chernoff1981sequential,
	title = {Sequential medical trials involving paired data},
	journal = {Biometrika},
	volume = {68},
	number = {1},
	year = {1981},
	pages = {119{\textendash}132},
	publisher = {Biometrika Trust},
	author = {Chernoff, Herman and Petkau, A.John}
}
