摘要：Objective To investigate the association between urinary levels of isothiocyanates(ITCs)and the risk of pancreatic cancer in urban Shanghai.Methods A casecontrol study has been conducted in urban Shanghai.The cases(from December 2006 to December 2008)were identified through an newly established"instant case reporting"system.The high performance liquid chromatography(HPLC)method was applied to determine the uri-

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