The image shows a page from a textbook, with printed Chinese text and handwritten annotations. The chapter title at the top is "Chapter 6 Case-Control Studies," followed by a page number "49." The text discusses statistical concepts like odds ratio (OR) and confidence intervals (CI) in the context of medical research, specifically related to risk factors for diseases. Several questions are present, some of which have handwritten answers or calculations. The annotations include numbers, symbols like "OR," and checkmarks. The page appears to be from a university-level textbook on epidemiology or biostatistics. There is no indication of the location being in Chongqing High-tech Zone, China; the image depicts an indoor scene of a book. in Chongqing High-tech Zone, China

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Jun 10, 2026, 10:08 AM

Chongqing High-tech Zone, China

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The image shows a page from a textbook, with printed Chinese text and handwritten annotations. The chapter title at the top is "Chapter 6 Case-Control Studies," followed by a page number "49." The text discusses statistical concepts like odds ratio (OR) and confidence intervals (CI) in the context of medical research, specifically related to risk factors for diseases. Several questions are present, some of which have handwritten answers or calculations. The annotations include numbers, symbols like "OR," and checkmarks. The page appears to be from a university-level textbook on epidemiology or biostatistics. There is no indication of the location being in Chongqing High-tech Zone, China; the image depicts an indoor scene of a book.

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DCA12

Volume

11,550

Creator

+$0.04

Revenue

+$0.06

TVL

$2.92

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