Simanova, A.; Pruse, B.; Kalle, R.; Kochalski, S.; Prakofjewa, J.; Mežaka, I.; Pieroni, A.; Krūzkopa, S.; Holsta, I.; Sõukand, R. Medicinal Plant Use at the Beginning of the 21st Century Among the Religious Minority in Latgale Region, Latvia. Ethnobot. Res. App. 2020, 20, 1-31.