CJCP     2015 17 (2):  172-175    ISSN: 1008-8830  CN: 43-1301/R A Chinese boy with methylmalonic aciduria cblB type and a novel mutation in the MMAB gene LIU Yu-Peng1, WANG Hai-Jun2, WU Tong-Fei3, LI Xi-Yuan1, SONG Jin-Qing1, DING Yuan1, ZHANG Yao1, WANG Qiao1, YANG Yan-Ling1 Department of Pediatrics, Peking University First Hospital, Beijing 100034, China Received: 2014-11-12  Revised: 2015-01-07  Online: null Supporting info