Bibliografisk träff 2008-09-12 Ursolic, oleanolic and betulinic acids: antibacterial spectra and selectivity indexes. Fontanay S, Grare M, Mayer J, Finance C, Duval RE. J Ethnopharmacol · comparative study; research support, non-u.s. gov't; journal article · DOI 10.1016/j.jep.2008.09.001