title: Potential interaction between the volatile and non-volatile fractions on the in vitro antimicrobial activity of three South African Pelargonium (Geraniaceae) species.
authors.affiliation: Department of Pharmacy and Pharmacology, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown 2193, Johannesburg, South Africa.
authors.forename: Jacqueline Y
authors.initials: JY
authors.lastname: Lalli
authors.forename: Alvaro M
authors.initials: AM
authors.lastname: Viljoen
authors.forename: Sandy F
authors.initials: SF
authors.lastname: Van Vuuren