title: One too many: intellectual disability secondary to undiagnosed phenylketonuria.
authors.affiliation: Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong.
authors.forename: J
authors.initials: J
authors.lastname: Hui
authors.affiliation: Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong.
authors.forename: S C
authors.initials: SC
authors.lastname: Chong
authors.affiliation: Department of Chemical Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong.
authors.forename: L K
authors.initials: LK
authors.lastname: Law
authors.affiliation: Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong.
authors.forename: L K
authors.initials: LK
authors.lastname: Lee
authors.affiliation: Dietetics Department, Prince of Wales Hospital, Shatin, Hong Kong.
authors.forename: S
authors.initials: S
authors.lastname: Chang
authors.affiliation: Dietetics Department, Prince of Wales Hospital, Shatin, Hong Kong.
authors.forename: P
authors.initials: P
authors.lastname: Yau
authors.affiliation: Department of Chemical Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong.
authors.forename: Y P
authors.initials: YP
authors.lastname: Yuen
mesh_terms: D002675:Child, Preschool; D006801:Humans; D008607:Intellectual Disability / Q000209:etiology*; D008297:Male; D010649:Phenylalanine / Q000097:blood*; D010661:Phenylketonurias / Q000150:complications* / Q000175:diagnosis
chemical_list: D010649:Phenylalanine
keywords: Intellectual disability; Phenylketonurias/diagnosis