1. Charlesworth, C.J., Smit, E., Lee, D.S., Alramadhan, F., Odden, M.C.: Polypharmacy among adults aged 65 years and older in the United States: 1988–2010. J.S Gerontol. Ser. A, Biol. Sci. Med. Sci. 70(8), 989–995 (2015)
2. Eurostat: a look at the lives of the elderly in the EU today (2017). https://ec.europa.eu/eurostat/cache/infographs/elderly/index.html
3. CDC: use of multiple prescription drugs (2019). https://www.cdc.gov/nchs/data/hus/2019/039-508.pdf
4. Eurostat: medicine use statistics (2022). https://ec.europa.eu/eurostat/statistics-explained/index.php?title=Medicine_use_statistics#Prescribed_medicines
5. Hodges, N.L., Spiller, H.A., Casavant, M.J., Chounthirath, T., Smith, G.A.: Non-health care facility medication errors resulting in serious medical outcomes. Clin. Toxicol. 56(1), 43–50 (2018)