In this summary, doctors Lo & Luce argue that informed & competent AIDS patients have a right to refuse treatment; that caregivers should take the initiative in discussing life-sustaining treatment, but that withholding treatment should be clearly distinguished from active euthanasia. Dr Yarnell argues that if the foregoing is accepted & the inevitable outcome is death, there is no logical or humane reason for the death to be slow or painful; that active euthanasia should be legalized. (GW)