1991
In normal gastric mucosa , C / EBPbeta expression was restricted to cells in the proliferative zone .
 Anatomy: gastric mucosa; Anatomy: cells; Anatomy: zone
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: gastric mucosa; Anatomy: cells; Anatomy: zone