What caused the extra high incidence of inflammatory bowel disease in the industrialized countries in the West: lack of some nutrients or increased intake of some harmful agents?
Qin
Xiaofa
X
D005502:Food / Q000009:adverse effects*; D006801:Humans; D015994:Incidence; D015212:Inflammatory Bowel Diseases / Q000453:epidemiology* / Q000209:etiology*