title: Expression vectors and delivery systems. Food BiotechnologyWeb alert
abstract: A selection of World Wide Web sites relevant to papers published in this issue of Current Opinion in Biotechnology.
authors.affiliation: Department of Research, University Hospital, Hebelstrasse 20, CH-4031, Basel, Switzerland.
authors.initials: S
authors.lastname: Miot
authors.initials: J
authors.lastname: Boulay