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Hordyjewska, A., Ostapiuk, A., Horecka, A., & Kurzepa, J. (2019).
Betulin and betulinic acid: triterpenoids derivatives with a powerful biological potential. Phytochemistry Reviews.
doi:10.1007/s11101-019-09623-1
10.1007/s11101-019-09623-1
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