Author = Ayyari, M
1. Quantification of betulinic, oleanolic and ursolic acids as medicinally important triterpenoids in some Thymus species from Iran

Volume 3, Issue 1, Winter 2016, Page 23-28

M.H. Mirjalili; M. Ayyari; Z. Bakhtiar; M. Moridi Farimani; A. Sonboli