TY - JOUR AU - Rietjens, Judith AU - Maas, Paul AU - Onwuteaka-Philipsen, Bregje AU - Delden, Johannes AU - Heide, Agnes IS - 3 JA - Journal of Bioethical Inquiry PB - Springer Verlag PY - 2009 TI - Two Decades of Research on Euthanasia from the Netherlands. What Have We Learnt and What Questions Remain? VL - 6 ER -