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نویسنده
چکیده
In a prospective study of about 22,000 men attending a well person screening centre, serum samples were collected and stored. The concentration of retinol was measured in the stored serum samples from 227 men subsequently notified as having cancer and from 454 unaffected controls, matched for age, smoking history and duration of storage of the serum samples. The mean serum retinol concentration of the
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عنوان ژورنال:
- Environmental Health Perspectives
دوره 106 شماره
صفحات -
تاریخ انتشار 1998