title: Determination of hyoscyamine levels in plant material by radioimmunoassay.
authors.affiliation: School of Pharmacy, Department of Pharmacognosy, University of Helsinki, SF-00170 Helsinki 17, Finland.
authors.forename: T
authors.initials: T
authors.lastname: Lehtola
authors.forename: A
authors.initials: A
authors.lastname: Huhtikangas
authors.forename: R
authors.initials: R
authors.lastname: Virtanen