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Therefore , we developed a reciprocal system of a full - length HIV packaging cell line and a shortened HI - viral shuttle vector .
 Anatomy: full - length HIV packaging cell line
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: full - length HIV packaging cell line