1. Antibacterial activity of propolis, some of its compounds and their analogs;Kujumgiev;Pharmazie,1993
2. Bactericidal effect of propolis in vitro against agents causing upper respiratory tract infections;Focht;Arzneim.-Forsch.,1993
3. Mechanisms involved in the antiinflammatory effect of propolis extract;Khayyal;Drugs Under Exp. Clin. Res.,1993
4. Inhibitory effect of caffeic acid esters on azoxymethane-induced biochemical changes and aberrant crypt foci formation in rat colon;Rao;Cancer Res.,1993
5. Lipophilic derivatives of caffeic acid as lipoxygenase inhibitors with antioxidant properties;Mirzoeva;Bioorg. Khim.,1995