title: Prefractionation of Essential Oils using Silica Gel "Mini Extraction Columns".
authors.affiliation: Division of Pharmacognosy, Center for Bio-Pharmaceutical Sciences, Leiden University, Gorlaeus Laboratories, P.O. Box 9502, NL-2300 RA Leiden.
authors.forename: L
authors.initials: L
authors.lastname: Ntezurubanza
authors.forename: J J
authors.initials: JJ
authors.lastname: Scheffer
authors.forename: A
authors.initials: A
authors.lastname: Baerheim Svendsen