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In the recent article published in British Journal of Ophthalmology, Chen et al 1 concluded that central serous chorioretinopathy (CSCR) was a risk factor for coronary heart disease (CHD). The abstract mentioned that 835 subjects were in the CSCR group and 4175 subjects were in the non-CSCR group. However, the materials and methods figured 815 in the CSCR group and 4075 in the non-CSCR …
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