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             ___      _  __   _    _     _____   
  ____      / _ \\   | |/ // | || | ||  / ____|| 
 |    \\   | / \ ||  | ' //  | || | || / //---`' 
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 |_|`-`     `---`    `-` --`   `---`     `----`  
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Text this: Malignant cells derived from 3T3 fibroblast feeder layer in cell culture for nasopharyngeal carcinoma