Determination of Sugar Profile in Viburnum Fruits and its Dosage Forms by HPLC-RID, DO, Bokov, EV Sergunova, AI Marakhova, SL Morokhina, ON Plakhotnaia,, and VV Bessonov , Pharmacognosy Journal, February  2020, Volume 12, Issue 1, p.103-108, (2020)