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Expression in early postnatal pituitary and in pre - somatotrophic cells suggests that Zn - 16 could play a role in pituitary development prior to somatotroph differentiation .
 GENE: Zn - 16
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Zn - 16