6647
A 3 - week regimen of erythropoietin may help prevent the donor ' s need to receive allogeneic blood transfusion , when the initial Hb levels were below 130 milligrams .
 GENE: erythropoietin; GENE: Hb
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: erythropoietin, Hb 
Answer:
 GENE: erythropoietin; GENE: Hb