1. Washington state rejects euthanasia;Morris, M.;BMJ; 303: 1223. la Dyer C. Rheumatologist convicted of attempted murder,1991
2. "Aid-in-dying" and the taking of human life;Campbell, C.S.;J Med Ethics,1992
3. Euthanasia around the world;Helime, T.;BMJ,1992
4. Euthanasia around the world: Britain;Warden, J.;BMJ,1992
5. Advanced directive bill;Tonks, A.;BMJ,1992