1599
Both of these dogs had low serum IgG ( 3 . 5 to 7 . 2 mg / ml ) and the second littermate also had reduced serum IgA ( < 0 . 1 to 0 . 15 mg / ml ) .
 GENE: IgG; GENE: 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: IgG; GENE: IgA