Silvoniemi, M.; Vasankari, T.; Vahlberg, T.; Clemens, KE; Salminen, E. (2010). «Physicians' attitudes towards euthanasia in Finland: would training in palliative care make a difference?». Palliative Medicine (journal)|Palliative Medicine. 24: 744–746. PMID20921095. doi:10.1177/0269216310376556
Silvoniemi, M.; Vasankari, T.; Vahlberg, T.; Clemens, KE; Salminen, E. (2010). «Physicians' attitudes towards euthanasia in Finland: would training in palliative care make a difference?». Palliative Medicine (journal)|Palliative Medicine. 24: 744–746. PMID20921095. doi:10.1177/0269216310376556