CoxMeg. Suicide manual for terminally ill stirs heated debate. Wall Street Journal, CCX, 11(9): B1, 1991.
2.
HumphreyDerek. Final Exit. Eugene, OR: The Hemlock Society, 1991.
3.
QuillTimothy. Final exit: The practicalities of self deliverance in assisted suicide for the dying. New England Journal of Medicine325(12): 894–895, 1991.