Tadd W, Clarke A, Lloyd L, Leino-Kilpi H, Strandell C, Lemonidou C, Petsios K, Sala R, Barazzetti G, Radaelli S, et al. The value of nurses' codes: European nurses' views. Nursing Ethics [Internet]. 2006;13:376 – 393. Website

Heikkinen A, Lemonidou C, Petsios K, Sala R, Barazzetti G, Radaelli S, Leino-Kilpi H. Ethical codes in nursing practice: The viewpoint of Finnish, Greek and Italian nurses. Journal of Advanced Nursing [Internet]. 2006;55:310 – 319. Website