title: Phtalides in the Essential Oil from Roots of Levisticum officinale.
authors.affiliation: Department of Pharmacognosy, State University of Leiden, P.O. Box 9502, 2300 RA Leiden, The Netherlands.
authors.forename: M J
authors.initials: MJ
authors.lastname: Gijbels
authors.forename: J J
authors.initials: JJ
authors.lastname: Scheffer
authors.forename: A
authors.initials: A
authors.lastname: Baerheim Svendsen