Talalaev, K. O., et al. “HIV/AIDS/Statistical/Analysis/and/Morbidity/Prediction/Among/Injection/Drug/Users/in/the/Black/Sea/Region/of/Ukraine”. Journal of Education, Health and Sport, vol. 9, no. 7, July 2019, pp. 805-20, https://apcz.umk.pl/JEHS/article/view/7645.