CJCP     2017 19 (1):  68-72    ISSN: 1008-8830  CN: 43-1301/R Feeding difficulty and developmental delay for 8 months and nystagmus for 4 months in an infant ZHU Jie, YU Fei Department of Pediatric Endocrine and Genetic Metabolic Disease, Maternal and Children's Hospital of Hubei Province, Wuhan 430070, China Received: 2016-08-26  Revised: 2016-11-02  Online: null Supporting info