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Citation
Song FY, Toshiro T, Li K, Yu P, Lin XK, Yang HL, Deng XL, Zhang YQ, Lv LW, Huang XE, Kazuo T. Development of a semi-quantitative food frequency questionnaire for middle-aged inhabitants in the Chaoshan area, China. World J Gastroenterol 2005; 11(26): 4078-4084 [PMID: 15996034 DOI: 10.3748/wjg.v11.i26.4078]
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