Groenewoud, Johanna; Agnes Van des Heide; Bregje Onwuteaka-Philipsen; Dick Willems; Paul Van der Maas; and Gerrit Van der Wal" . Clinical Problems with the Performance of Euthanasia and Physician-Assisted Suicide in the Netherlands," The New England Journal of Medicine, 342(8) (February 24, 2000) 551-556.
Ganzini, Linda, and Heidi Nelson, Terri Schmidt, Dale Kraemer, Molly Delorit and Melinda Lee : « Physicians’ Experiences with the Oregon Death with Dignity Act », The New England Journal of Medicine, 342(8), (February 24, 2000) 557-563