Keywords Expiratory Hydrogen;Lactose Malabsorption;Saccharu Malabsorption;Small Intestine Bacteria Over-growth;Gastric Emptying Dysfunction;Small Intestine ConvectionTime;

• 关键词呼气氢;乳糖吸收不良;蔗糖吸收不良;小肠细菌过度生长;胃排空障碍;小肠传递时间;