2523
Before and 6 and 12 months after H . pylori eradication the patients were evaluated for fasting gastrinemia and pepsinogen I , basal and peak acid output , and detailed histological assessment including the ECL cell proliferative patterns .
 GENE: pepsinogen I
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: pepsinogen I