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["Tab 1 major clinical manifestations of patients with MMA[n(%)]"]
["Group","n","poor feeding","seizures","developmentdelay/mental retardation",null,"skin lesions","vomiting","motor disorders","disorders of consciousness"]
["isolated MMA",11,"2（18.2%）","1（9.1%）","2（18.2%）","1（9.1%）","1（9.1%）","4（36.4%）","1（9.1%）","1（9.1%）","2（18.2%）"]
["combined MMA",31,"2（6.5%）","8（25.8%）","8（25.8%）","3（9.7%）","2（6.5%）","2（6.5%）","2（6.5%）","2（6.5%）","5（16.1%）"]

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