13253
Epoetin alfa and epoetin beta have been used 1 - 3 times weekly but extended - interval dosing up to every 4 weeks is also effective in a substantial majority of CKD patients .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None