| Affiliation: | 1. Department of Pharmacy and Pharmacology, University of the Witwatersrand, 7 York Road, Parktown 2193, South Africa;2. College of Pharmacy, Ferris State University, Borgess Medical Center Department of Pharmacy, Kalamazoo, Michigan 49001, USA;3. College of Pharmacy, The University of Iowa, Iowa City, Iowa 52242, USA;4. Medicinal and Aromatic Plant and Drug Research Center (TBAM), Anadolu University, 26470 Eskisehir, Turkey;5. Department of Botany, Rand Afrikaans University, PO Box 524, Auckland Park 2006, Johannesburg, South Africa |
