Viljoen, A. Et Al. 2003. Osmitopsis asteriscoides (Asteraceae) - the antimicrobial activity and essential oil composition of a Cape-Dutch remedy. JOURNAL OF ETHNOPHARMACOLOGY , vol.88, no.2-3 , 137-143.

Viljoen, A., van Vuuren, S., Ernst, E., Klepser, M., Demirci, B., Baser, K., ... van Wyk, B.(2003). Osmitopsis asteriscoides (Asteraceae) - the antimicrobial activity and essential oil composition of a Cape-Dutch remedy. JOURNAL OF ETHNOPHARMACOLOGY , vol.88, no.2-3, 137-143.

Viljoen, A Et Al. "Osmitopsis asteriscoides (Asteraceae) - the antimicrobial activity and essential oil composition of a Cape-Dutch remedy," JOURNAL OF ETHNOPHARMACOLOGY , vol.88, no.2-3, 137-143, 2003

Viljoen, A Et Al. "Osmitopsis asteriscoides (Asteraceae) - the antimicrobial activity and essential oil composition of a Cape-Dutch remedy." JOURNAL OF ETHNOPHARMACOLOGY , vol.88, no.2-3, pp.137-143, 2003

Viljoen, A. Et Al. (2003) . "Osmitopsis asteriscoides (Asteraceae) - the antimicrobial activity and essential oil composition of a Cape-Dutch remedy." JOURNAL OF ETHNOPHARMACOLOGY , vol.88, no.2-3, pp.137-143.

@article{article, author={A Viljoen Et Al. }, title={Osmitopsis asteriscoides (Asteraceae) - the antimicrobial activity and essential oil composition of a Cape-Dutch remedy}, journal={JOURNAL OF ETHNOPHARMACOLOGY}, year=2003, pages={137-143} }