RT Article T1 Voluntary euthanasia in the Netherlands JF Journal of medical ethics VO 25 IS 4 SP 351 OP 352 A1 Keown, J. A1 Jochemsen, Henk 1952- LA English YR 1999 UL https://krimdok.uni-tuebingen.de/Record/1639667822 K1 Euthanasie K1 Niederlande