@article {petkau1987truncated,
	title = {Truncated sequential medical trials involving paired data},
	journal = {Canadian Journal of Statistics},
	volume = {15},
	number = {4},
	year = {1987},
	pages = {363{\textendash}374},
	publisher = {Wiley Online Library},
	author = {Petkau, A.John}
}
