neurologic disorder) 病因不明症 功能性胃肠病(英语:Functional gastrointestinal disorder) 功能症状(英语:Functional symptom) 先天性代谢缺陷病 Natelson, Benjamin H. Facing and fighting
gastrointestinal symptoms and extra-intestinal manifestations assessed through a rating scale before and after GFD. Although a standardized symptom rating
gastrointestinal symptoms and extra-intestinal manifestations assessed through a rating scale before and after GFD. Although a standardized symptom rating