title: Difference enzyme spectrophotometric determination of 6-mercaptopurine in urine.
authors.affiliation: 2nd Pediatric Department, Semmelweis Medical University, Tüzoltó u. 7/9, H-1094, Budapest, Hungary; Chemical Works of Gedeon Richter Ltd., P.O.B. 27, H-1475, Budapest, Hungary.
authors.forename: K
authors.initials: K
authors.lastname: Görög
authors.forename: S
authors.initials: S
authors.lastname: Görög