CJCP     2016 18 (12):  1242-1246    ISSN: 1008-8830  CN: 43-1301/R Maple syrup urine disease and gene mutations in twin neonates LI Tao, WANG Yu, LI Cui, XU Wei-Wei, NIU Feng-Hai, ZHANG Di Department of Pediatrics, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000 Received: 2016-07-20  Revised: 2016-09-12  Online: null Supporting info null