2015
Keränen T, Halkoaho A, Itkonen E, Pietilä AM. Placebo-controlled clinical trials: how trial documents justify the use of randomisation and placebo. BMC Med Ethics. 2015; 16:2.
Papavasiliou E, Payne S, Brearley S, Brown J, Seymour J. Continuous sedation (CS) until death: mapping the iterature by bibliometric analysis. J Pain Symptom Manage. 2013; 45(6):1073-1082.
Relevant materials compiled for different countries (Lithuania, USA, Australia, United Kingdom, Canada, Philippines).