Elvers, LHDiependaal, GAMLoeber, JG2025-03-132025-03-131993https://rivm.openrepository.com/handle/10029/634776The enzymatic assay of phenylalanine for neonatal screening on phenylketonuria.ArticleIn: Annual scientific report 1992. Bilthoven: National Institute of Public Health and Environmental Protection, 1993;187-92025-03-13