title: Adults with late diagnosed PKU and severe challenging behaviour.
authors.forename: Francjan
authors.initials: F
authors.lastname: van Spronsen
mesh_terms: D000328:Adult; D001921:Brain / Q000378:metabolism; D018592:Cross-Over Studies; D004311:Double-Blind Method; D019317:Evidence-Based Medicine; D006801:Humans; D008607:Intellectual Disability / Q000178:diet therapy*; D010649:Phenylalanine / Q000008:administration & dosage / Q000097:blood; D010661:Phenylketonurias / Q000178:diet therapy*; D016032:Randomized Controlled Trials as Topic; D012920:Social Behavior Disorders / Q000178:diet therapy*; D016896:Treatment Outcome
chemical_list: D010649:Phenylalanine