4383
Early complement components , C1q and C4 , and IgA secretory piece were absent .
 GENE: C1q; GENE: C4; 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: C1q; GENE: C4; GENE: IgA