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To assay for the possible presence of transforming genes which were not active in a focus formation assay , two of the epithelial lines were analysed further by co - transfection with a dominant selectable marker , followed by selection and inoculation into nude mice .
 Anatomy: focus; Anatomy: epithelial lines
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: focus; Anatomy: epithelial lines