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                                                Cells - tissue culture
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                                                Normal cells of human connective tissue in culture. At a magnification of 500x, the cells were illuminated by darkfield amplified contrast technique. (Description from the National Cancer Institute Visuals Online page.) 
 
Title: Normal Cells 
 
Image and description: https://visualsonline.cancer.gov/details.cfm?imageid=2304 
 
Originator: NCI 
 
Source: The Web site of the National Cancer Institute (https://www.cancer.gov) 
 
Creator: Dr. Cecil Fox (Photographer) 
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