title: Rapid determination of phenylalanine and tyrosine in urine and serum by HPLC with electrochemical detection.
authors.affiliation: Department of Analytical Chemistry, Free University, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands.
authors.forename: W T
authors.initials: WT
authors.lastname: Kok
authors.forename: U A
authors.initials: UA
authors.lastname: Brinkman
authors.forename: R W
authors.initials: RW
authors.lastname: Frei