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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

Polyphenols in Stachys and Betonica Species (Lamiaceae)

Vassya Bankova, Jordanka Koeva-Todorovska, Tatyana Stambolijska, Maria-Desislava Ignatova-Groceva, Daniela Todorova and Simeon Popov