726
We have followed 37 phenytoin - treated patients with reduced serum IgA concentrations for 2 - 7 years .
 GENE: serum IgA
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: serum IgA