📚 Literatură:

• J. Angst et al. (2005) (2005)
• https://doi.org/10.47877/1560-957X-2021-10607...
• https://doi.org/10.1016/j.jad.2005.05.011...
• https://doi.org/10.1016/j.jad.2015.09.057...