【摘 要】
：
BACKGROUND Previous studies have demonstrated that dietary factors are involved in irritable bowel syndrome(IBS),but the role of diet was evaluated mostly based on food frequency questionnaire.Whether food categories,quantity per time,and intake frequency
【机 构】
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GraduateSchool,DepartmentofGastroenterology,InstituteofClinicalMedicalSciences
【基金项目】
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The National Key Technology Support Program during“12th Five-Year Plan”Period of China,No.2014BAI08B00,the Leapforward Development Program for Beijing Biopharmaceutical Industry(G20),No.Z1711000017170
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BACKGROUND Previous studies have demonstrated that dietary factors are involved in irritable bowel syndrome(IBS),but the role of diet was evaluated mostly based on food frequency questionnaire.Whether food categories,quantity per time,and intake frequency
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